./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:12:47,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:12:47,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:12:47,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:12:47,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:12:47,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:12:47,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:12:47,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:12:47,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:12:47,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:12:47,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:12:47,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:12:47,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:12:47,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:12:47,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:12:47,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:12:47,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:12:47,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:12:47,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:12:47,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:12:47,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:12:47,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:12:47,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:12:47,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:12:47,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:12:47,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:12:47,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:12:47,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:12:47,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:12:47,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:12:47,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:12:47,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:12:47,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:12:47,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:12:47,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:12:47,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:12:47,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:12:47,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:12:47,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:12:47,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:12:47,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:12:47,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:12:47,814 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:12:47,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:12:47,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:12:47,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:12:47,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:12:47,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:12:47,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:12:47,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:12:47,817 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:12:47,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:12:47,817 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:12:47,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:12:47,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:12:47,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:12:47,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:12:47,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:12:47,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:12:47,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:12:47,818 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:12:47,819 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:12:47,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:12:47,819 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:12:47,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:12:47,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:12:47,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:12:47,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:12:47,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:12:47,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:12:47,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:12:47,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:12:47,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:12:47,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:12:47,821 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:12:47,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:12:47,821 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:12:47,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:12:47,821 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:12:47,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:12:48,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:12:48,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:12:48,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:12:48,054 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:12:48,054 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:12:48,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2023-08-29 18:12:48,984 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:12:49,203 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:12:49,204 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2023-08-29 18:12:49,217 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62973343c/3f4c28a305fb4947856e72ed492c6d20/FLAG4fb12c838 [2023-08-29 18:12:49,231 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62973343c/3f4c28a305fb4947856e72ed492c6d20 [2023-08-29 18:12:49,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:12:49,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:12:49,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:12:49,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:12:49,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:12:49,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0fa039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49, skipping insertion in model container [2023-08-29 18:12:49,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:12:49,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:12:49,427 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_67-pthread_cond_wait_true.i[1094,1107] [2023-08-29 18:12:49,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:12:49,629 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:12:49,636 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_67-pthread_cond_wait_true.i[1094,1107] [2023-08-29 18:12:49,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:12:49,711 WARN L667 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 18:12:49,715 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:12:49,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49 WrapperNode [2023-08-29 18:12:49,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:12:49,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:12:49,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:12:49,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:12:49,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,766 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-08-29 18:12:49,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:12:49,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:12:49,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:12:49,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:12:49,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:12:49,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:12:49,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:12:49,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:12:49,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (1/1) ... [2023-08-29 18:12:49,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:12:49,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:12:49,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 18:12:49,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 18:12:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-08-29 18:12:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2023-08-29 18:12:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2023-08-29 18:12:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2023-08-29 18:12:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2023-08-29 18:12:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:12:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:12:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:12:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:12:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 18:12:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:12:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:12:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:12:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:12:49,877 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 18:12:50,122 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:12:50,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:12:50,292 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:12:50,296 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:12:50,296 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 18:12:50,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:12:50 BoogieIcfgContainer [2023-08-29 18:12:50,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:12:50,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:12:50,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:12:50,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:12:50,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:12:49" (1/3) ... [2023-08-29 18:12:50,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288ed0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:12:50, skipping insertion in model container [2023-08-29 18:12:50,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:49" (2/3) ... [2023-08-29 18:12:50,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288ed0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:12:50, skipping insertion in model container [2023-08-29 18:12:50,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:12:50" (3/3) ... [2023-08-29 18:12:50,303 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2023-08-29 18:12:50,308 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:12:50,313 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:12:50,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-29 18:12:50,313 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:12:50,372 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 18:12:50,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 120 transitions, 256 flow [2023-08-29 18:12:50,440 INFO L130 PetriNetUnfolder]: 1/118 cut-off events. [2023-08-29 18:12:50,440 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 18:12:50,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 118 events. 1/118 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 104 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2023-08-29 18:12:50,443 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 120 transitions, 256 flow [2023-08-29 18:12:50,446 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 109 transitions, 227 flow [2023-08-29 18:12:50,448 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:12:50,454 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 109 transitions, 227 flow [2023-08-29 18:12:50,456 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 109 transitions, 227 flow [2023-08-29 18:12:50,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 109 transitions, 227 flow [2023-08-29 18:12:50,482 INFO L130 PetriNetUnfolder]: 1/109 cut-off events. [2023-08-29 18:12:50,484 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 18:12:50,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 109 events. 1/109 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 104 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2023-08-29 18:12:50,487 INFO L119 LiptonReduction]: Number of co-enabled transitions 2462 [2023-08-29 18:12:53,156 INFO L134 LiptonReduction]: Checked pairs total: 7510 [2023-08-29 18:12:53,156 INFO L136 LiptonReduction]: Total number of compositions: 83 [2023-08-29 18:12:53,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:12:53,175 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;@7c589bbe, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:12:53,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-08-29 18:12:53,179 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2023-08-29 18:12:53,179 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:12:53,179 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:53,180 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 18:12:53,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-08-29 18:12:53,184 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:53,185 INFO L85 PathProgramCache]: Analyzing trace with hash 386752372, now seen corresponding path program 1 times [2023-08-29 18:12:53,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:53,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274570391] [2023-08-29 18:12:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:53,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:53,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274570391] [2023-08-29 18:12:53,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274570391] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:53,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:53,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 18:12:53,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273311302] [2023-08-29 18:12:53,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:53,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:12:53,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:53,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:12:53,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:12:53,543 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 203 [2023-08-29 18:12:53,544 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 36 transitions, 81 flow. Second operand has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,545 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:53,545 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 203 [2023-08-29 18:12:53,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:53,627 INFO L130 PetriNetUnfolder]: 162/402 cut-off events. [2023-08-29 18:12:53,627 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-29 18:12:53,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 402 events. 162/402 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1819 event pairs, 162 based on Foata normal form. 12/375 useless extension candidates. Maximal degree in co-relation 689. Up to 306 conditions per place. [2023-08-29 18:12:53,633 INFO L137 encePairwiseOnDemand]: 200/203 looper letters, 21 selfloop transitions, 0 changer transitions 0/33 dead transitions. [2023-08-29 18:12:53,633 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 33 transitions, 117 flow [2023-08-29 18:12:53,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:12:53,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:12:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 252 transitions. [2023-08-29 18:12:53,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6206896551724138 [2023-08-29 18:12:53,642 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 252 transitions. [2023-08-29 18:12:53,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 252 transitions. [2023-08-29 18:12:53,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:53,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 252 transitions. [2023-08-29 18:12:53,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 126.0) internal successors, (252), 2 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,649 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,650 INFO L175 Difference]: Start difference. First operand has 42 places, 36 transitions, 81 flow. Second operand 2 states and 252 transitions. [2023-08-29 18:12:53,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 33 transitions, 117 flow [2023-08-29 18:12:53,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 33 transitions, 112 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 18:12:53,653 INFO L231 Difference]: Finished difference. Result has 38 places, 33 transitions, 70 flow [2023-08-29 18:12:53,655 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=38, PETRI_TRANSITIONS=33} [2023-08-29 18:12:53,657 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -4 predicate places. [2023-08-29 18:12:53,657 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 33 transitions, 70 flow [2023-08-29 18:12:53,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,657 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:53,657 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 18:12:53,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:12:53,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-08-29 18:12:53,658 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:53,658 INFO L85 PathProgramCache]: Analyzing trace with hash -896518523, now seen corresponding path program 1 times [2023-08-29 18:12:53,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:53,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602934754] [2023-08-29 18:12:53,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:53,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:53,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:53,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602934754] [2023-08-29 18:12:53,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602934754] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:53,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:53,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:12:53,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456749803] [2023-08-29 18:12:53,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:53,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:12:53,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:53,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:12:53,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:12:53,725 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 203 [2023-08-29 18:12:53,726 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,726 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:53,726 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 203 [2023-08-29 18:12:53,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:53,795 INFO L130 PetriNetUnfolder]: 252/556 cut-off events. [2023-08-29 18:12:53,795 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:12:53,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 556 events. 252/556 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2431 event pairs, 208 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 1048. Up to 400 conditions per place. [2023-08-29 18:12:53,798 INFO L137 encePairwiseOnDemand]: 198/203 looper letters, 31 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2023-08-29 18:12:53,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 43 transitions, 162 flow [2023-08-29 18:12:53,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:12:53,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:12:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2023-08-29 18:12:53,803 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5763546798029556 [2023-08-29 18:12:53,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2023-08-29 18:12:53,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2023-08-29 18:12:53,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:53,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2023-08-29 18:12:53,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,807 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,807 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 70 flow. Second operand 3 states and 351 transitions. [2023-08-29 18:12:53,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 43 transitions, 162 flow [2023-08-29 18:12:53,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 43 transitions, 162 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:12:53,809 INFO L231 Difference]: Finished difference. Result has 42 places, 36 transitions, 100 flow [2023-08-29 18:12:53,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=42, PETRI_TRANSITIONS=36} [2023-08-29 18:12:53,809 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 0 predicate places. [2023-08-29 18:12:53,809 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 36 transitions, 100 flow [2023-08-29 18:12:53,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:53,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:12:53,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:12:53,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-08-29 18:12:53,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:53,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1657836384, now seen corresponding path program 1 times [2023-08-29 18:12:53,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:53,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418607983] [2023-08-29 18:12:53,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:53,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:53,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:53,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418607983] [2023-08-29 18:12:53,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418607983] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:53,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:53,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:12:53,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649557492] [2023-08-29 18:12:53,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:53,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:12:53,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:53,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:12:53,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:12:53,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 203 [2023-08-29 18:12:53,895 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 36 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,896 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:53,896 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 203 [2023-08-29 18:12:53,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:53,986 INFO L130 PetriNetUnfolder]: 286/611 cut-off events. [2023-08-29 18:12:53,986 INFO L131 PetriNetUnfolder]: For 127/141 co-relation queries the response was YES. [2023-08-29 18:12:53,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1283 conditions, 611 events. 286/611 cut-off events. For 127/141 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2810 event pairs, 213 based on Foata normal form. 2/539 useless extension candidates. Maximal degree in co-relation 1278. Up to 463 conditions per place. [2023-08-29 18:12:53,989 INFO L137 encePairwiseOnDemand]: 196/203 looper letters, 30 selfloop transitions, 7 changer transitions 5/52 dead transitions. [2023-08-29 18:12:53,989 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 52 transitions, 227 flow [2023-08-29 18:12:53,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:12:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:12:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 355 transitions. [2023-08-29 18:12:53,990 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5829228243021346 [2023-08-29 18:12:53,990 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 355 transitions. [2023-08-29 18:12:53,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 355 transitions. [2023-08-29 18:12:53,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:53,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 355 transitions. [2023-08-29 18:12:53,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,993 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,993 INFO L175 Difference]: Start difference. First operand has 42 places, 36 transitions, 100 flow. Second operand 3 states and 355 transitions. [2023-08-29 18:12:53,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 52 transitions, 227 flow [2023-08-29 18:12:53,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 52 transitions, 215 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:12:53,996 INFO L231 Difference]: Finished difference. Result has 43 places, 41 transitions, 137 flow [2023-08-29 18:12:53,996 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=137, PETRI_PLACES=43, PETRI_TRANSITIONS=41} [2023-08-29 18:12:53,997 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 1 predicate places. [2023-08-29 18:12:53,997 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 41 transitions, 137 flow [2023-08-29 18:12:53,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:53,997 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:53,997 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:12:53,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:12:53,997 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-08-29 18:12:53,998 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:53,998 INFO L85 PathProgramCache]: Analyzing trace with hash 58426388, now seen corresponding path program 1 times [2023-08-29 18:12:53,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:53,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269074385] [2023-08-29 18:12:53,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:53,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:54,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:54,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269074385] [2023-08-29 18:12:54,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269074385] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:54,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:54,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:12:54,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512001732] [2023-08-29 18:12:54,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:54,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:12:54,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:54,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:12:54,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:12:54,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 203 [2023-08-29 18:12:54,059 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 41 transitions, 137 flow. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,059 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:54,061 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 203 [2023-08-29 18:12:54,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:54,142 INFO L130 PetriNetUnfolder]: 354/689 cut-off events. [2023-08-29 18:12:54,143 INFO L131 PetriNetUnfolder]: For 254/286 co-relation queries the response was YES. [2023-08-29 18:12:54,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1694 conditions, 689 events. 354/689 cut-off events. For 254/286 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3009 event pairs, 180 based on Foata normal form. 6/647 useless extension candidates. Maximal degree in co-relation 1688. Up to 422 conditions per place. [2023-08-29 18:12:54,146 INFO L137 encePairwiseOnDemand]: 195/203 looper letters, 41 selfloop transitions, 9 changer transitions 1/58 dead transitions. [2023-08-29 18:12:54,146 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 58 transitions, 295 flow [2023-08-29 18:12:54,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:12:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:12:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2023-08-29 18:12:54,150 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5878489326765188 [2023-08-29 18:12:54,150 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 358 transitions. [2023-08-29 18:12:54,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 358 transitions. [2023-08-29 18:12:54,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:54,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 358 transitions. [2023-08-29 18:12:54,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,153 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,153 INFO L175 Difference]: Start difference. First operand has 43 places, 41 transitions, 137 flow. Second operand 3 states and 358 transitions. [2023-08-29 18:12:54,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 58 transitions, 295 flow [2023-08-29 18:12:54,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 58 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:12:54,156 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 210 flow [2023-08-29 18:12:54,157 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2023-08-29 18:12:54,158 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 4 predicate places. [2023-08-29 18:12:54,158 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 210 flow [2023-08-29 18:12:54,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,158 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:54,158 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:12:54,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:12:54,158 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-08-29 18:12:54,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:54,159 INFO L85 PathProgramCache]: Analyzing trace with hash 870892359, now seen corresponding path program 1 times [2023-08-29 18:12:54,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:54,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078824610] [2023-08-29 18:12:54,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:54,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:54,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:54,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078824610] [2023-08-29 18:12:54,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078824610] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:54,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:54,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:12:54,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482057122] [2023-08-29 18:12:54,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:54,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:12:54,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:54,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:12:54,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:12:54,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 203 [2023-08-29 18:12:54,274 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,274 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:54,274 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 203 [2023-08-29 18:12:54,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:54,316 INFO L130 PetriNetUnfolder]: 62/207 cut-off events. [2023-08-29 18:12:54,316 INFO L131 PetriNetUnfolder]: For 105/105 co-relation queries the response was YES. [2023-08-29 18:12:54,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 207 events. 62/207 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 712 event pairs, 15 based on Foata normal form. 28/229 useless extension candidates. Maximal degree in co-relation 503. Up to 119 conditions per place. [2023-08-29 18:12:54,317 INFO L137 encePairwiseOnDemand]: 197/203 looper letters, 14 selfloop transitions, 5 changer transitions 7/34 dead transitions. [2023-08-29 18:12:54,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 34 transitions, 163 flow [2023-08-29 18:12:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:12:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:12:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2023-08-29 18:12:54,319 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5747126436781609 [2023-08-29 18:12:54,319 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 350 transitions. [2023-08-29 18:12:54,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 350 transitions. [2023-08-29 18:12:54,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:54,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 350 transitions. [2023-08-29 18:12:54,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,321 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,321 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 210 flow. Second operand 3 states and 350 transitions. [2023-08-29 18:12:54,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 34 transitions, 163 flow [2023-08-29 18:12:54,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 34 transitions, 127 flow, removed 10 selfloop flow, removed 8 redundant places. [2023-08-29 18:12:54,324 INFO L231 Difference]: Finished difference. Result has 36 places, 24 transitions, 61 flow [2023-08-29 18:12:54,325 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2023-08-29 18:12:54,326 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -6 predicate places. [2023-08-29 18:12:54,326 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 61 flow [2023-08-29 18:12:54,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:54,327 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:12:54,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:12:54,328 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting f1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-08-29 18:12:54,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:54,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1472833784, now seen corresponding path program 1 times [2023-08-29 18:12:54,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:54,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574755477] [2023-08-29 18:12:54,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:54,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:54,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574755477] [2023-08-29 18:12:54,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574755477] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:54,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:54,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:12:54,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464236581] [2023-08-29 18:12:54,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:54,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:12:54,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:54,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:12:54,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:12:54,393 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 203 [2023-08-29 18:12:54,394 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,394 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:54,394 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 203 [2023-08-29 18:12:54,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:54,422 INFO L130 PetriNetUnfolder]: 43/138 cut-off events. [2023-08-29 18:12:54,422 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2023-08-29 18:12:54,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 138 events. 43/138 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 429 event pairs, 39 based on Foata normal form. 6/142 useless extension candidates. Maximal degree in co-relation 297. Up to 105 conditions per place. [2023-08-29 18:12:54,423 INFO L137 encePairwiseOnDemand]: 201/203 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2023-08-29 18:12:54,423 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 26 transitions, 109 flow [2023-08-29 18:12:54,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:12:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:12:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2023-08-29 18:12:54,424 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5533661740558292 [2023-08-29 18:12:54,424 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 337 transitions. [2023-08-29 18:12:54,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 337 transitions. [2023-08-29 18:12:54,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:54,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 337 transitions. [2023-08-29 18:12:54,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,426 INFO L175 Difference]: Start difference. First operand has 36 places, 24 transitions, 61 flow. Second operand 3 states and 337 transitions. [2023-08-29 18:12:54,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 26 transitions, 109 flow [2023-08-29 18:12:54,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 26 transitions, 104 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:12:54,427 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-08-29 18:12:54,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2023-08-29 18:12:54,428 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -11 predicate places. [2023-08-29 18:12:54,428 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-08-29 18:12:54,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:54,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2023-08-29 18:12:54,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2023-08-29 18:12:54,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 14 remaining) [2023-08-29 18:12:54,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 14 remaining) [2023-08-29 18:12:54,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2023-08-29 18:12:54,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2023-08-29 18:12:54,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2023-08-29 18:12:54,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2023-08-29 18:12:54,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2023-08-29 18:12:54,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2023-08-29 18:12:54,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2023-08-29 18:12:54,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2023-08-29 18:12:54,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2023-08-29 18:12:54,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2023-08-29 18:12:54,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:12:54,433 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-29 18:12:54,436 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:12:54,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:12:54,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:12:54 BasicIcfg [2023-08-29 18:12:54,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:12:54,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:12:54,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:12:54,439 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:12:54,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:12:50" (3/4) ... [2023-08-29 18:12:54,440 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:12:54,444 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2023-08-29 18:12:54,444 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2023-08-29 18:12:54,446 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-08-29 18:12:54,447 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-29 18:12:54,447 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:12:54,447 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:12:54,465 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:12:54,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:12:54,466 INFO L158 Benchmark]: Toolchain (without parser) took 5215.31ms. Allocated memory was 81.8MB in the beginning and 130.0MB in the end (delta: 48.2MB). Free memory was 52.3MB in the beginning and 78.4MB in the end (delta: -26.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-08-29 18:12:54,466 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:12:54,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.37ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 34.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-08-29 18:12:54,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.30ms. Allocated memory is still 81.8MB. Free memory was 34.8MB in the beginning and 59.1MB in the end (delta: -24.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 18:12:54,466 INFO L158 Benchmark]: Boogie Preprocessor took 46.92ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 56.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:12:54,467 INFO L158 Benchmark]: RCFGBuilder took 483.58ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 35.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-29 18:12:54,467 INFO L158 Benchmark]: TraceAbstraction took 4139.13ms. Allocated memory was 81.8MB in the beginning and 130.0MB in the end (delta: 48.2MB). Free memory was 34.5MB in the beginning and 80.5MB in the end (delta: -46.0MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-08-29 18:12:54,467 INFO L158 Benchmark]: Witness Printer took 26.63ms. Allocated memory is still 130.0MB. Free memory was 80.5MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:12:54,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.37ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 34.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.30ms. Allocated memory is still 81.8MB. Free memory was 34.8MB in the beginning and 59.1MB in the end (delta: -24.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.92ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 56.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.58ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 35.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4139.13ms. Allocated memory was 81.8MB in the beginning and 130.0MB in the end (delta: 48.2MB). Free memory was 34.5MB in the beginning and 80.5MB in the end (delta: -46.0MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Witness Printer took 26.63ms. Allocated memory is still 130.0MB. Free memory was 80.5MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 115 PlacesBefore, 42 PlacesAfterwards, 109 TransitionsBefore, 36 TransitionsAfterwards, 2462 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 83 TotalNumberOfCompositions, 7510 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3593, independent: 3248, independent conditional: 0, independent unconditional: 3248, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1281, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3593, independent: 2007, independent conditional: 0, independent unconditional: 2007, dependent: 305, dependent conditional: 0, dependent unconditional: 305, unknown: 1281, unknown conditional: 0, unknown unconditional: 1281] , Statistics on independence cache: Total cache size (in pairs): 163, Positive cache size: 139, Positive conditional cache size: 0, Positive unconditional cache size: 139, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1378]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1379]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1360]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 170 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 369 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 19 mSDtfsCounter, 369 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=4, InterpolantAutomatonStates: 17, 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, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:12:54,486 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