./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.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 ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 19:00:16,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 19:00:16,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 19:00:16,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 19:00:16,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 19:00:16,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 19:00:16,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 19:00:16,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 19:00:16,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 19:00:16,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 19:00:16,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 19:00:16,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 19:00:16,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 19:00:16,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 19:00:16,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 19:00:16,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 19:00:16,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 19:00:16,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 19:00:16,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 19:00:16,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 19:00:16,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 19:00:16,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 19:00:16,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 19:00:16,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 19:00:16,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 19:00:16,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 19:00:16,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 19:00:16,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 19:00:16,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 19:00:16,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 19:00:16,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 19:00:16,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 19:00:16,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 19:00:16,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 19:00:16,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 19:00:16,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 19:00:16,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 19:00:16,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 19:00:16,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 19:00:16,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 19:00:16,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 19:00:16,801 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 19:00:16,835 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 19:00:16,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 19:00:16,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 19:00:16,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 19:00:16,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 19:00:16,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 19:00:16,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 19:00:16,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 19:00:16,838 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 19:00:16,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 19:00:16,839 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 19:00:16,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 19:00:16,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 19:00:16,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 19:00:16,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 19:00:16,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 19:00:16,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 19:00:16,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 19:00:16,841 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 19:00:16,841 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 19:00:16,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 19:00:16,841 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 19:00:16,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 19:00:16,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 19:00:16,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 19:00:16,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 19:00:16,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:00:16,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 19:00:16,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 19:00:16,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 19:00:16,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 19:00:16,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 19:00:16,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 19:00:16,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 19:00:16,844 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 19:00:16,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 19:00:16,844 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 19:00:16,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 19:00:17,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 19:00:17,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 19:00:17,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 19:00:17,164 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 19:00:17,164 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 19:00:17,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2023-08-31 19:00:18,279 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 19:00:18,630 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 19:00:18,631 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2023-08-31 19:00:18,651 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa1ad4c6/e260bc848e324952b832018ed8c697db/FLAGf9448b39a [2023-08-31 19:00:18,665 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa1ad4c6/e260bc848e324952b832018ed8c697db [2023-08-31 19:00:18,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 19:00:18,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 19:00:18,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 19:00:18,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 19:00:18,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 19:00:18,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:00:18" (1/1) ... [2023-08-31 19:00:18,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409309ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:18, skipping insertion in model container [2023-08-31 19:00:18,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:00:18" (1/1) ... [2023-08-31 19:00:18,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 19:00:18,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 19:00:19,484 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2023-08-31 19:00:19,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:00:19,527 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 19:00:19,569 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2023-08-31 19:00:19,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:00:19,706 INFO L208 MainTranslator]: Completed translation [2023-08-31 19:00:19,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19 WrapperNode [2023-08-31 19:00:19,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 19:00:19,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 19:00:19,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 19:00:19,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 19:00:19,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,787 INFO L138 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-08-31 19:00:19,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 19:00:19,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 19:00:19,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 19:00:19,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 19:00:19,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 19:00:19,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 19:00:19,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 19:00:19,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 19:00:19,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (1/1) ... [2023-08-31 19:00:19,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:00:19,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 19:00:19,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 19:00:19,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 19:00:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 19:00:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 19:00:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 19:00:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 19:00:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-31 19:00:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 19:00:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 19:00:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 19:00:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 19:00:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 19:00:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 19:00:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 19:00:19,925 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 19:00:20,241 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 19:00:20,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 19:00:20,388 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 19:00:20,395 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 19:00:20,395 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 19:00:20,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:00:20 BoogieIcfgContainer [2023-08-31 19:00:20,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 19:00:20,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 19:00:20,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 19:00:20,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 19:00:20,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 07:00:18" (1/3) ... [2023-08-31 19:00:20,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df9f990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:00:20, skipping insertion in model container [2023-08-31 19:00:20,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:00:19" (2/3) ... [2023-08-31 19:00:20,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df9f990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:00:20, skipping insertion in model container [2023-08-31 19:00:20,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:00:20" (3/3) ... [2023-08-31 19:00:20,404 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2023-08-31 19:00:20,411 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 19:00:20,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 19:00:20,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-08-31 19:00:20,419 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 19:00:20,481 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-31 19:00:20,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 134 transitions, 276 flow [2023-08-31 19:00:20,591 INFO L130 PetriNetUnfolder]: 5/151 cut-off events. [2023-08-31 19:00:20,591 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 19:00:20,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 151 events. 5/151 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 236 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 83. Up to 3 conditions per place. [2023-08-31 19:00:20,596 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 134 transitions, 276 flow [2023-08-31 19:00:20,601 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 121 transitions, 248 flow [2023-08-31 19:00:20,604 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 19:00:20,616 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 121 transitions, 248 flow [2023-08-31 19:00:20,620 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 121 transitions, 248 flow [2023-08-31 19:00:20,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 121 transitions, 248 flow [2023-08-31 19:00:20,658 INFO L130 PetriNetUnfolder]: 3/139 cut-off events. [2023-08-31 19:00:20,660 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 19:00:20,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 139 events. 3/139 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 232 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2023-08-31 19:00:20,662 INFO L119 LiptonReduction]: Number of co-enabled transitions 924 [2023-08-31 19:00:24,244 INFO L134 LiptonReduction]: Checked pairs total: 742 [2023-08-31 19:00:24,245 INFO L136 LiptonReduction]: Total number of compositions: 137 [2023-08-31 19:00:24,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 19:00:24,259 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;@5d0c5523, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 19:00:24,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-08-31 19:00:24,261 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 19:00:24,261 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:00:24,261 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:00:24,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 19:00:24,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-08-31 19:00:24,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:00:24,266 INFO L85 PathProgramCache]: Analyzing trace with hash 487, now seen corresponding path program 1 times [2023-08-31 19:00:24,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:00:24,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906233636] [2023-08-31 19:00:24,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:00:24,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:00:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:00:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:00:24,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:00:24,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906233636] [2023-08-31 19:00:24,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906233636] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:00:24,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:00:24,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 19:00:24,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221868530] [2023-08-31 19:00:24,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:00:24,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 19:00:24,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:00:24,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 19:00:24,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 19:00:24,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 271 [2023-08-31 19:00:24,476 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 40 flow. Second operand has 2 states, 2 states have (on average 124.5) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:00:24,476 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:00:24,477 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 271 [2023-08-31 19:00:24,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:00:24,509 INFO L130 PetriNetUnfolder]: 3/16 cut-off events. [2023-08-31 19:00:24,509 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 19:00:24,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 16 events. 3/16 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 3 based on Foata normal form. 1/13 useless extension candidates. Maximal degree in co-relation 20. Up to 17 conditions per place. [2023-08-31 19:00:24,511 INFO L137 encePairwiseOnDemand]: 262/271 looper letters, 0 selfloop transitions, 0 changer transitions 8/8 dead transitions. [2023-08-31 19:00:24,511 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 8 transitions, 38 flow [2023-08-31 19:00:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 19:00:24,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 19:00:24,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 265 transitions. [2023-08-31 19:00:24,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.488929889298893 [2023-08-31 19:00:24,529 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 265 transitions. [2023-08-31 19:00:24,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 265 transitions. [2023-08-31 19:00:24,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:00:24,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 265 transitions. [2023-08-31 19:00:24,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:00:24,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:00:24,542 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:00:24,543 INFO L175 Difference]: Start difference. First operand has 20 places, 17 transitions, 40 flow. Second operand 2 states and 265 transitions. [2023-08-31 19:00:24,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 8 transitions, 38 flow [2023-08-31 19:00:24,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 8 transitions, 34 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 19:00:24,546 INFO L231 Difference]: Finished difference. Result has 10 places, 0 transitions, 0 flow [2023-08-31 19:00:24,548 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=10, PETRI_TRANSITIONS=0} [2023-08-31 19:00:24,552 INFO L281 CegarLoopForPetriNet]: 20 programPoint places, -10 predicate places. [2023-08-31 19:00:24,552 INFO L495 AbstractCegarLoop]: Abstraction has has 10 places, 0 transitions, 0 flow [2023-08-31 19:00:24,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 124.5) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:00:24,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-08-31 19:00:24,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2023-08-31 19:00:24,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2023-08-31 19:00:24,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2023-08-31 19:00:24,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-08-31 19:00:24,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-08-31 19:00:24,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2023-08-31 19:00:24,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2023-08-31 19:00:24,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2023-08-31 19:00:24,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2023-08-31 19:00:24,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2023-08-31 19:00:24,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2023-08-31 19:00:24,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 19:00:24,565 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-31 19:00:24,577 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 19:00:24,579 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 19:00:24,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 07:00:24 BasicIcfg [2023-08-31 19:00:24,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 19:00:24,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 19:00:24,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 19:00:24,589 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 19:00:24,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:00:20" (3/4) ... [2023-08-31 19:00:24,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 19:00:24,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 19:00:24,599 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-08-31 19:00:24,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-31 19:00:24,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 19:00:24,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 19:00:24,636 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 19:00:24,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 19:00:24,637 INFO L158 Benchmark]: Toolchain (without parser) took 5968.21ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 52.9MB in the beginning and 73.6MB in the end (delta: -20.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-08-31 19:00:24,637 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:00:24,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1035.69ms. Allocated memory is still 77.6MB. Free memory was 52.6MB in the beginning and 35.3MB in the end (delta: 17.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-08-31 19:00:24,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.14ms. Allocated memory is still 77.6MB. Free memory was 35.3MB in the beginning and 32.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 19:00:24,638 INFO L158 Benchmark]: Boogie Preprocessor took 69.89ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 32.0MB in the beginning and 66.5MB in the end (delta: -34.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-08-31 19:00:24,638 INFO L158 Benchmark]: RCFGBuilder took 537.41ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 45.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-31 19:00:24,639 INFO L158 Benchmark]: TraceAbstraction took 4187.68ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 44.7MB in the beginning and 76.9MB in the end (delta: -32.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-08-31 19:00:24,639 INFO L158 Benchmark]: Witness Printer took 47.92ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 73.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 19:00:24,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1035.69ms. Allocated memory is still 77.6MB. Free memory was 52.6MB in the beginning and 35.3MB in the end (delta: 17.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.14ms. Allocated memory is still 77.6MB. Free memory was 35.3MB in the beginning and 32.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.89ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 32.0MB in the beginning and 66.5MB in the end (delta: -34.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * RCFGBuilder took 537.41ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 45.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4187.68ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 44.7MB in the beginning and 76.9MB in the end (delta: -32.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 47.92ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 73.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 121 PlacesBefore, 20 PlacesAfterwards, 121 TransitionsBefore, 17 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 7 FixpointIterations, 83 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 137 TotalNumberOfCompositions, 742 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 742, independent: 742, independent conditional: 0, independent unconditional: 742, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 509, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 742, independent: 233, independent conditional: 0, independent unconditional: 233, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 509, unknown conditional: 0, unknown unconditional: 509] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 152 locations, 12 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: 4.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 19:00:24,656 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