./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.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 abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 20:40:13,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 20:40:13,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 20:40:13,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 20:40:13,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 20:40:13,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 20:40:13,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 20:40:13,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 20:40:13,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 20:40:13,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 20:40:13,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 20:40:13,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 20:40:13,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 20:40:13,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 20:40:13,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 20:40:13,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 20:40:13,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 20:40:13,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 20:40:13,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 20:40:13,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 20:40:13,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 20:40:13,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 20:40:13,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 20:40:13,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 20:40:13,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 20:40:13,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 20:40:13,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 20:40:13,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 20:40:13,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 20:40:13,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 20:40:13,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 20:40:13,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 20:40:13,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 20:40:13,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 20:40:13,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 20:40:13,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 20:40:13,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 20:40:13,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 20:40:13,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 20:40:13,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 20:40:13,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 20:40:13,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 20:40:13,912 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 20:40:13,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 20:40:13,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 20:40:13,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 20:40:13,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 20:40:13,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 20:40:13,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 20:40:13,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 20:40:13,915 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 20:40:13,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 20:40:13,916 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 20:40:13,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 20:40:13,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 20:40:13,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 20:40:13,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 20:40:13,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 20:40:13,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 20:40:13,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 20:40:13,917 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 20:40:13,917 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 20:40:13,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 20:40:13,917 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 20:40:13,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 20:40:13,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 20:40:13,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 20:40:13,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 20:40:13,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:40:13,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 20:40:13,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 20:40:13,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 20:40:13,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 20:40:13,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 20:40:13,919 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 20:40:13,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 20:40:13,919 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 20:40:13,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 20:40:13,920 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 20:40:13,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 20:40:14,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 20:40:14,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 20:40:14,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 20:40:14,176 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 20:40:14,176 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 20:40:14,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i [2023-08-31 20:40:15,139 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 20:40:15,341 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 20:40:15,341 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i [2023-08-31 20:40:15,354 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60719a07/f25a87edd1c34fc0b605bbedd1f80b5f/FLAG1d4fa4f38 [2023-08-31 20:40:15,366 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60719a07/f25a87edd1c34fc0b605bbedd1f80b5f [2023-08-31 20:40:15,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 20:40:15,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 20:40:15,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 20:40:15,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 20:40:15,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 20:40:15,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351ea3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15, skipping insertion in model container [2023-08-31 20:40:15,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 20:40:15,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 20:40:15,516 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2023-08-31 20:40:15,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:40:15,642 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 20:40:15,652 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2023-08-31 20:40:15,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:40:15,740 INFO L208 MainTranslator]: Completed translation [2023-08-31 20:40:15,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15 WrapperNode [2023-08-31 20:40:15,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 20:40:15,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 20:40:15,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 20:40:15,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 20:40:15,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,794 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-08-31 20:40:15,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 20:40:15,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 20:40:15,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 20:40:15,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 20:40:15,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 20:40:15,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 20:40:15,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 20:40:15,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 20:40:15,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (1/1) ... [2023-08-31 20:40:15,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:40:15,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 20:40:15,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 20:40:15,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 20:40:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 20:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 20:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 20:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 20:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 20:40:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 20:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 20:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 20:40:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 20:40:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 20:40:15,871 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 20:40:15,958 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 20:40:15,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 20:40:16,061 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 20:40:16,066 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 20:40:16,066 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 20:40:16,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:40:16 BoogieIcfgContainer [2023-08-31 20:40:16,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 20:40:16,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 20:40:16,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 20:40:16,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 20:40:16,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 08:40:15" (1/3) ... [2023-08-31 20:40:16,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea90a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:40:16, skipping insertion in model container [2023-08-31 20:40:16,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:15" (2/3) ... [2023-08-31 20:40:16,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea90a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:40:16, skipping insertion in model container [2023-08-31 20:40:16,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:40:16" (3/3) ... [2023-08-31 20:40:16,072 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_44-traces-mine2_true.i [2023-08-31 20:40:16,077 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 20:40:16,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 20:40:16,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-31 20:40:16,083 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 20:40:16,122 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 20:40:16,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 183 flow [2023-08-31 20:40:16,189 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2023-08-31 20:40:16,189 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:16,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2023-08-31 20:40:16,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 89 transitions, 183 flow [2023-08-31 20:40:16,198 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 88 transitions, 179 flow [2023-08-31 20:40:16,200 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 20:40:16,205 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 88 transitions, 179 flow [2023-08-31 20:40:16,206 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 88 transitions, 179 flow [2023-08-31 20:40:16,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 88 transitions, 179 flow [2023-08-31 20:40:16,227 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2023-08-31 20:40:16,227 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:16,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2023-08-31 20:40:16,229 INFO L119 LiptonReduction]: Number of co-enabled transitions 1728 [2023-08-31 20:40:18,037 INFO L134 LiptonReduction]: Checked pairs total: 5687 [2023-08-31 20:40:18,038 INFO L136 LiptonReduction]: Total number of compositions: 68 [2023-08-31 20:40:18,052 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 20:40:18,056 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;@71e58a5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 20:40:18,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-08-31 20:40:18,059 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2023-08-31 20:40:18,059 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:18,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:18,059 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-31 20:40:18,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-31 20:40:18,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:18,063 INFO L85 PathProgramCache]: Analyzing trace with hash 296677537, now seen corresponding path program 1 times [2023-08-31 20:40:18,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:18,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441381933] [2023-08-31 20:40:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:18,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:40:18,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:18,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441381933] [2023-08-31 20:40:18,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441381933] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:18,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:18,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:18,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127666956] [2023-08-31 20:40:18,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:18,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:18,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:18,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:18,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:18,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 157 [2023-08-31 20:40:18,247 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,247 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:18,247 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 157 [2023-08-31 20:40:18,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:18,346 INFO L130 PetriNetUnfolder]: 151/387 cut-off events. [2023-08-31 20:40:18,351 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:18,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 387 events. 151/387 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1861 event pairs, 23 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 724. Up to 175 conditions per place. [2023-08-31 20:40:18,355 INFO L137 encePairwiseOnDemand]: 147/157 looper letters, 31 selfloop transitions, 7 changer transitions 2/45 dead transitions. [2023-08-31 20:40:18,355 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 45 transitions, 173 flow [2023-08-31 20:40:18,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2023-08-31 20:40:18,369 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5711252653927813 [2023-08-31 20:40:18,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2023-08-31 20:40:18,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2023-08-31 20:40:18,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:18,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2023-08-31 20:40:18,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,378 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,380 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 61 flow. Second operand 3 states and 269 transitions. [2023-08-31 20:40:18,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 45 transitions, 173 flow [2023-08-31 20:40:18,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 45 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:40:18,383 INFO L231 Difference]: Finished difference. Result has 35 places, 34 transitions, 114 flow [2023-08-31 20:40:18,384 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=35, PETRI_TRANSITIONS=34} [2023-08-31 20:40:18,387 INFO L281 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places. [2023-08-31 20:40:18,387 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 34 transitions, 114 flow [2023-08-31 20:40:18,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,388 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:18,388 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 20:40:18,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 20:40:18,388 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-31 20:40:18,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:18,389 INFO L85 PathProgramCache]: Analyzing trace with hash 606291893, now seen corresponding path program 1 times [2023-08-31 20:40:18,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:18,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328823981] [2023-08-31 20:40:18,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:18,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:18,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:40:18,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:18,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328823981] [2023-08-31 20:40:18,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328823981] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:18,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:18,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:18,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796312828] [2023-08-31 20:40:18,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:18,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:18,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:18,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:18,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:18,464 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 157 [2023-08-31 20:40:18,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 34 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:18,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 157 [2023-08-31 20:40:18,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:18,521 INFO L130 PetriNetUnfolder]: 139/371 cut-off events. [2023-08-31 20:40:18,521 INFO L131 PetriNetUnfolder]: For 91/91 co-relation queries the response was YES. [2023-08-31 20:40:18,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 371 events. 139/371 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1793 event pairs, 75 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 844. Up to 269 conditions per place. [2023-08-31 20:40:18,523 INFO L137 encePairwiseOnDemand]: 151/157 looper letters, 27 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2023-08-31 20:40:18,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 43 transitions, 210 flow [2023-08-31 20:40:18,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2023-08-31 20:40:18,527 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5414012738853503 [2023-08-31 20:40:18,527 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 255 transitions. [2023-08-31 20:40:18,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 255 transitions. [2023-08-31 20:40:18,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:18,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 255 transitions. [2023-08-31 20:40:18,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,531 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,531 INFO L175 Difference]: Start difference. First operand has 35 places, 34 transitions, 114 flow. Second operand 3 states and 255 transitions. [2023-08-31 20:40:18,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 43 transitions, 210 flow [2023-08-31 20:40:18,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 43 transitions, 192 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 20:40:18,534 INFO L231 Difference]: Finished difference. Result has 37 places, 39 transitions, 156 flow [2023-08-31 20:40:18,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=37, PETRI_TRANSITIONS=39} [2023-08-31 20:40:18,535 INFO L281 CegarLoopForPetriNet]: 32 programPoint places, 5 predicate places. [2023-08-31 20:40:18,535 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 39 transitions, 156 flow [2023-08-31 20:40:18,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,535 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:18,535 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:40:18,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 20:40:18,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-31 20:40:18,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:18,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1462538690, now seen corresponding path program 1 times [2023-08-31 20:40:18,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:18,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635899428] [2023-08-31 20:40:18,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:18,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:40:18,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:18,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635899428] [2023-08-31 20:40:18,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635899428] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:18,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:18,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 20:40:18,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626830087] [2023-08-31 20:40:18,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:18,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:18,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:18,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:18,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:18,645 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 157 [2023-08-31 20:40:18,645 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 39 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,645 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:18,645 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 157 [2023-08-31 20:40:18,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:18,676 INFO L130 PetriNetUnfolder]: 28/122 cut-off events. [2023-08-31 20:40:18,677 INFO L131 PetriNetUnfolder]: For 29/30 co-relation queries the response was YES. [2023-08-31 20:40:18,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 122 events. 28/122 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 451 event pairs, 3 based on Foata normal form. 13/131 useless extension candidates. Maximal degree in co-relation 273. Up to 65 conditions per place. [2023-08-31 20:40:18,680 INFO L137 encePairwiseOnDemand]: 153/157 looper letters, 16 selfloop transitions, 4 changer transitions 8/40 dead transitions. [2023-08-31 20:40:18,680 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 192 flow [2023-08-31 20:40:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:18,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:18,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions. [2023-08-31 20:40:18,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5626326963906582 [2023-08-31 20:40:18,681 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 265 transitions. [2023-08-31 20:40:18,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 265 transitions. [2023-08-31 20:40:18,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:18,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 265 transitions. [2023-08-31 20:40:18,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,683 INFO L175 Difference]: Start difference. First operand has 37 places, 39 transitions, 156 flow. Second operand 3 states and 265 transitions. [2023-08-31 20:40:18,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 192 flow [2023-08-31 20:40:18,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 40 transitions, 166 flow, removed 9 selfloop flow, removed 4 redundant places. [2023-08-31 20:40:18,685 INFO L231 Difference]: Finished difference. Result has 34 places, 31 transitions, 94 flow [2023-08-31 20:40:18,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=34, PETRI_TRANSITIONS=31} [2023-08-31 20:40:18,686 INFO L281 CegarLoopForPetriNet]: 32 programPoint places, 2 predicate places. [2023-08-31 20:40:18,686 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 31 transitions, 94 flow [2023-08-31 20:40:18,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:18,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:40:18,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 20:40:18,687 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-31 20:40:18,687 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:18,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1302315579, now seen corresponding path program 1 times [2023-08-31 20:40:18,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:18,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409253805] [2023-08-31 20:40:18,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:18,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:40:18,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:18,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409253805] [2023-08-31 20:40:18,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409253805] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:18,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:18,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:18,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954090128] [2023-08-31 20:40:18,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:18,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:18,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:18,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:18,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:18,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 157 [2023-08-31 20:40:18,737 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 31 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,737 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:18,737 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 157 [2023-08-31 20:40:18,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:18,772 INFO L130 PetriNetUnfolder]: 32/120 cut-off events. [2023-08-31 20:40:18,772 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-31 20:40:18,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 120 events. 32/120 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 399 event pairs, 27 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 269. Up to 99 conditions per place. [2023-08-31 20:40:18,774 INFO L137 encePairwiseOnDemand]: 154/157 looper letters, 19 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2023-08-31 20:40:18,774 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 30 transitions, 134 flow [2023-08-31 20:40:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2023-08-31 20:40:18,776 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5201698513800425 [2023-08-31 20:40:18,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2023-08-31 20:40:18,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2023-08-31 20:40:18,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:18,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2023-08-31 20:40:18,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,781 INFO L175 Difference]: Start difference. First operand has 34 places, 31 transitions, 94 flow. Second operand 3 states and 245 transitions. [2023-08-31 20:40:18,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 30 transitions, 134 flow [2023-08-31 20:40:18,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 30 transitions, 134 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 20:40:18,782 INFO L231 Difference]: Finished difference. Result has 35 places, 30 transitions, 96 flow [2023-08-31 20:40:18,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=35, PETRI_TRANSITIONS=30} [2023-08-31 20:40:18,784 INFO L281 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places. [2023-08-31 20:40:18,784 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 96 flow [2023-08-31 20:40:18,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:18,784 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:40:18,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 20:40:18,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-31 20:40:18,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:18,785 INFO L85 PathProgramCache]: Analyzing trace with hash 412777089, now seen corresponding path program 1 times [2023-08-31 20:40:18,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:18,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116333742] [2023-08-31 20:40:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:18,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:40:18,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:18,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116333742] [2023-08-31 20:40:18,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116333742] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:18,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:18,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:18,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756089983] [2023-08-31 20:40:18,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:18,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:18,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:18,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:18,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:18,845 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 157 [2023-08-31 20:40:18,845 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,845 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:18,845 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 157 [2023-08-31 20:40:18,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:18,874 INFO L130 PetriNetUnfolder]: 42/133 cut-off events. [2023-08-31 20:40:18,875 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2023-08-31 20:40:18,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 133 events. 42/133 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 455 event pairs, 21 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 308. Up to 104 conditions per place. [2023-08-31 20:40:18,875 INFO L137 encePairwiseOnDemand]: 152/157 looper letters, 21 selfloop transitions, 6 changer transitions 4/38 dead transitions. [2023-08-31 20:40:18,875 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 38 transitions, 180 flow [2023-08-31 20:40:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:18,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2023-08-31 20:40:18,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5371549893842887 [2023-08-31 20:40:18,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2023-08-31 20:40:18,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2023-08-31 20:40:18,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:18,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2023-08-31 20:40:18,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,878 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,878 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 96 flow. Second operand 3 states and 253 transitions. [2023-08-31 20:40:18,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 38 transitions, 180 flow [2023-08-31 20:40:18,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 38 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 20:40:18,881 INFO L231 Difference]: Finished difference. Result has 36 places, 31 transitions, 120 flow [2023-08-31 20:40:18,881 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=36, PETRI_TRANSITIONS=31} [2023-08-31 20:40:18,883 INFO L281 CegarLoopForPetriNet]: 32 programPoint places, 4 predicate places. [2023-08-31 20:40:18,883 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 31 transitions, 120 flow [2023-08-31 20:40:18,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:18,884 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:18,884 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:40:18,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 20:40:18,886 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-31 20:40:18,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:18,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1576607215, now seen corresponding path program 1 times [2023-08-31 20:40:18,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:18,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833157925] [2023-08-31 20:40:18,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:18,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:40:19,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:19,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833157925] [2023-08-31 20:40:19,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833157925] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:19,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:19,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 20:40:19,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438069544] [2023-08-31 20:40:19,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:19,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 20:40:19,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:19,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 20:40:19,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-31 20:40:19,065 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 157 [2023-08-31 20:40:19,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 31 transitions, 120 flow. Second operand has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:19,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:19,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 157 [2023-08-31 20:40:19,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:19,082 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2023-08-31 20:40:19,082 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-31 20:40:19,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 22 events. 0/22 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 15 event pairs, 0 based on Foata normal form. 3/25 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2023-08-31 20:40:19,083 INFO L137 encePairwiseOnDemand]: 154/157 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2023-08-31 20:40:19,083 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 22 transitions, 106 flow [2023-08-31 20:40:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 20:40:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 20:40:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 330 transitions. [2023-08-31 20:40:19,084 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5254777070063694 [2023-08-31 20:40:19,084 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 330 transitions. [2023-08-31 20:40:19,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 330 transitions. [2023-08-31 20:40:19,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:19,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 330 transitions. [2023-08-31 20:40:19,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:19,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:19,087 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:19,087 INFO L175 Difference]: Start difference. First operand has 36 places, 31 transitions, 120 flow. Second operand 4 states and 330 transitions. [2023-08-31 20:40:19,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 22 transitions, 106 flow [2023-08-31 20:40:19,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 22 transitions, 83 flow, removed 6 selfloop flow, removed 6 redundant places. [2023-08-31 20:40:19,088 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2023-08-31 20:40:19,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2023-08-31 20:40:19,088 INFO L281 CegarLoopForPetriNet]: 32 programPoint places, -3 predicate places. [2023-08-31 20:40:19,088 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2023-08-31 20:40:19,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:19,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-08-31 20:40:19,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-08-31 20:40:19,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2023-08-31 20:40:19,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-08-31 20:40:19,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2023-08-31 20:40:19,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-08-31 20:40:19,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-08-31 20:40:19,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-08-31 20:40:19,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-08-31 20:40:19,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 20:40:19,092 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-31 20:40:19,096 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 20:40:19,096 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 20:40:19,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 08:40:19 BasicIcfg [2023-08-31 20:40:19,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 20:40:19,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 20:40:19,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 20:40:19,099 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 20:40:19,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:40:16" (3/4) ... [2023-08-31 20:40:19,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 20:40:19,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-31 20:40:19,106 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-08-31 20:40:19,107 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 20:40:19,107 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 20:40:19,107 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 20:40:19,135 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 20:40:19,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 20:40:19,136 INFO L158 Benchmark]: Toolchain (without parser) took 3767.41ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 51.8MB in the beginning and 72.2MB in the end (delta: -20.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-08-31 20:40:19,136 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 20:40:19,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.76ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 53.0MB in the end (delta: -1.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-08-31 20:40:19,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.55ms. Allocated memory is still 75.5MB. Free memory was 53.0MB in the beginning and 51.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 20:40:19,136 INFO L158 Benchmark]: Boogie Preprocessor took 32.26ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 49.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:40:19,138 INFO L158 Benchmark]: RCFGBuilder took 239.27ms. Allocated memory is still 75.5MB. Free memory was 49.7MB in the beginning and 36.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 20:40:19,138 INFO L158 Benchmark]: TraceAbstraction took 3029.44ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 35.8MB in the beginning and 75.3MB in the end (delta: -39.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 20:40:19,138 INFO L158 Benchmark]: Witness Printer took 36.91ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 72.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 20:40:19,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.76ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 53.0MB in the end (delta: -1.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.55ms. Allocated memory is still 75.5MB. Free memory was 53.0MB in the beginning and 51.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.26ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 49.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.27ms. Allocated memory is still 75.5MB. Free memory was 49.7MB in the beginning and 36.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3029.44ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 35.8MB in the beginning and 75.3MB in the end (delta: -39.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 36.91ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 72.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 90 PlacesBefore, 32 PlacesAfterwards, 88 TransitionsBefore, 29 TransitionsAfterwards, 1728 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, 5687 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2048, independent: 1752, independent conditional: 0, independent unconditional: 1752, dependent: 296, dependent conditional: 0, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 950, independent: 895, independent conditional: 0, independent unconditional: 895, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2048, independent: 857, independent conditional: 0, independent unconditional: 857, dependent: 241, dependent conditional: 0, dependent unconditional: 241, unknown: 950, unknown conditional: 0, unknown unconditional: 950] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 117 locations, 9 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: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 388 IncrementalHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 18 mSDtfsCounter, 388 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=2, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 20:40:19,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE