./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/00-sanity_09-include.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/00-sanity_09-include.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 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df --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 19:55:40,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 19:55:40,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 19:55:40,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 19:55:40,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 19:55:40,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 19:55:40,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 19:55:40,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 19:55:40,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 19:55:40,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 19:55:40,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 19:55:40,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 19:55:41,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 19:55:41,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 19:55:41,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 19:55:41,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 19:55:41,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 19:55:41,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 19:55:41,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 19:55:41,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 19:55:41,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 19:55:41,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 19:55:41,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 19:55:41,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 19:55:41,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 19:55:41,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 19:55:41,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 19:55:41,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 19:55:41,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 19:55:41,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 19:55:41,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 19:55:41,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 19:55:41,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 19:55:41,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 19:55:41,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 19:55:41,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 19:55:41,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 19:55:41,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 19:55:41,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 19:55:41,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 19:55:41,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 19:55:41,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 19:55:41,053 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 19:55:41,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 19:55:41,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 19:55:41,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 19:55:41,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 19:55:41,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 19:55:41,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 19:55:41,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 19:55:41,065 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 19:55:41,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 19:55:41,066 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 19:55:41,066 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 19:55:41,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 19:55:41,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 19:55:41,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 19:55:41,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 19:55:41,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 19:55:41,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 19:55:41,067 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 19:55:41,068 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 19:55:41,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 19:55:41,068 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 19:55:41,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 19:55:41,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 19:55:41,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 19:55:41,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 19:55:41,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:55:41,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 19:55:41,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 19:55:41,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 19:55:41,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 19:55:41,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 19:55:41,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 19:55:41,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 19:55:41,083 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 19:55:41,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 19:55:41,083 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 19:55:41,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 19:55:41,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 19:55:41,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 19:55:41,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 19:55:41,386 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 19:55:41,387 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 19:55:41,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/00-sanity_09-include.i [2023-08-31 19:55:42,479 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 19:55:42,697 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 19:55:42,698 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/00-sanity_09-include.i [2023-08-31 19:55:42,711 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4556d5241/d6b291284aa64f889d87499a00a6b606/FLAG9fe0410f5 [2023-08-31 19:55:43,038 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4556d5241/d6b291284aa64f889d87499a00a6b606 [2023-08-31 19:55:43,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 19:55:43,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 19:55:43,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 19:55:43,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 19:55:43,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 19:55:43,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7528c113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43, skipping insertion in model container [2023-08-31 19:55:43,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 19:55:43,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 19:55:43,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:55:43,419 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 19:55:43,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:55:43,516 INFO L208 MainTranslator]: Completed translation [2023-08-31 19:55:43,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43 WrapperNode [2023-08-31 19:55:43,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 19:55:43,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 19:55:43,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 19:55:43,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 19:55:43,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,563 INFO L138 Inliner]: procedures = 264, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-08-31 19:55:43,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 19:55:43,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 19:55:43,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 19:55:43,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 19:55:43,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,593 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 19:55:43,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 19:55:43,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 19:55:43,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 19:55:43,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (1/1) ... [2023-08-31 19:55:43,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:55:43,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 19:55:43,650 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 19:55:43,652 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 19:55:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 19:55:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 19:55:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 19:55:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 19:55:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 19:55:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 19:55:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 19:55:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 19:55:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 19:55:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 19:55:43,676 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 19:55:43,773 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 19:55:43,775 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 19:55:43,859 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 19:55:43,866 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 19:55:43,867 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 19:55:43,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:55:43 BoogieIcfgContainer [2023-08-31 19:55:43,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 19:55:43,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 19:55:43,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 19:55:43,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 19:55:43,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 07:55:43" (1/3) ... [2023-08-31 19:55:43,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2997a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:55:43, skipping insertion in model container [2023-08-31 19:55:43,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:55:43" (2/3) ... [2023-08-31 19:55:43,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2997a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:55:43, skipping insertion in model container [2023-08-31 19:55:43,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:55:43" (3/3) ... [2023-08-31 19:55:43,873 INFO L112 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2023-08-31 19:55:43,878 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 19:55:43,884 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 19:55:43,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-31 19:55:43,885 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 19:55:43,936 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 19:55:43,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 113 flow [2023-08-31 19:55:43,983 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2023-08-31 19:55:43,983 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:55:43,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-31 19:55:43,985 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 54 transitions, 113 flow [2023-08-31 19:55:43,987 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 53 transitions, 109 flow [2023-08-31 19:55:43,989 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 19:55:43,994 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 53 transitions, 109 flow [2023-08-31 19:55:43,996 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 53 transitions, 109 flow [2023-08-31 19:55:43,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 53 transitions, 109 flow [2023-08-31 19:55:44,005 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2023-08-31 19:55:44,005 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:55:44,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-31 19:55:44,006 INFO L119 LiptonReduction]: Number of co-enabled transitions 612 [2023-08-31 19:55:44,951 INFO L134 LiptonReduction]: Checked pairs total: 1779 [2023-08-31 19:55:44,951 INFO L136 LiptonReduction]: Total number of compositions: 35 [2023-08-31 19:55:44,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 19:55:44,970 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;@1bf49f5e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 19:55:44,971 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-31 19:55:44,974 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2023-08-31 19:55:44,975 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:55:44,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:55:44,976 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 19:55:44,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-31 19:55:44,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:55:44,982 INFO L85 PathProgramCache]: Analyzing trace with hash 5845720, now seen corresponding path program 1 times [2023-08-31 19:55:44,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:55:44,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252125576] [2023-08-31 19:55:44,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:55:44,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:55:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:55:45,105 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 19:55:45,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:55:45,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252125576] [2023-08-31 19:55:45,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252125576] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:55:45,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:55:45,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:55:45,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105383885] [2023-08-31 19:55:45,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:55:45,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:55:45,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:55:45,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:55:45,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:55:45,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 89 [2023-08-31 19:55:45,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 19:55:45,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:55:45,145 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 89 [2023-08-31 19:55:45,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:55:45,172 INFO L130 PetriNetUnfolder]: 27/93 cut-off events. [2023-08-31 19:55:45,172 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:55:45,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 93 events. 27/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 367 event pairs, 9 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 161. Up to 37 conditions per place. [2023-08-31 19:55:45,175 INFO L137 encePairwiseOnDemand]: 81/89 looper letters, 16 selfloop transitions, 6 changer transitions 0/27 dead transitions. [2023-08-31 19:55:45,175 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 27 transitions, 101 flow [2023-08-31 19:55:45,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:55:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:55:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2023-08-31 19:55:45,183 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5955056179775281 [2023-08-31 19:55:45,183 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 159 transitions. [2023-08-31 19:55:45,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 159 transitions. [2023-08-31 19:55:45,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:55:45,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 159 transitions. [2023-08-31 19:55:45,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 19:55:45,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 19:55:45,190 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 19:55:45,191 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 159 transitions. [2023-08-31 19:55:45,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 27 transitions, 101 flow [2023-08-31 19:55:45,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 27 transitions, 100 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:55:45,194 INFO L231 Difference]: Finished difference. Result has 25 places, 24 transitions, 90 flow [2023-08-31 19:55:45,195 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=25, PETRI_TRANSITIONS=24} [2023-08-31 19:55:45,197 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2023-08-31 19:55:45,197 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 24 transitions, 90 flow [2023-08-31 19:55:45,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 19:55:45,198 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:55:45,198 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:55:45,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 19:55:45,198 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-31 19:55:45,199 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:55:45,199 INFO L85 PathProgramCache]: Analyzing trace with hash -306997248, now seen corresponding path program 1 times [2023-08-31 19:55:45,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:55:45,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336104986] [2023-08-31 19:55:45,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:55:45,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:55:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:55:45,234 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 19:55:45,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:55:45,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336104986] [2023-08-31 19:55:45,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336104986] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:55:45,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:55:45,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:55:45,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382280191] [2023-08-31 19:55:45,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:55:45,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:55:45,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:55:45,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:55:45,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:55:45,250 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 89 [2023-08-31 19:55:45,250 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 24 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 19:55:45,250 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:55:45,250 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 89 [2023-08-31 19:55:45,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:55:45,272 INFO L130 PetriNetUnfolder]: 26/92 cut-off events. [2023-08-31 19:55:45,272 INFO L131 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2023-08-31 19:55:45,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 92 events. 26/92 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 338 event pairs, 9 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 212. Up to 52 conditions per place. [2023-08-31 19:55:45,273 INFO L137 encePairwiseOnDemand]: 84/89 looper letters, 13 selfloop transitions, 6 changer transitions 1/30 dead transitions. [2023-08-31 19:55:45,273 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 30 transitions, 152 flow [2023-08-31 19:55:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:55:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:55:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2023-08-31 19:55:45,274 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5543071161048689 [2023-08-31 19:55:45,275 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 148 transitions. [2023-08-31 19:55:45,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 148 transitions. [2023-08-31 19:55:45,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:55:45,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 148 transitions. [2023-08-31 19:55:45,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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 19:55:45,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 19:55:45,277 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 19:55:45,277 INFO L175 Difference]: Start difference. First operand has 25 places, 24 transitions, 90 flow. Second operand 3 states and 148 transitions. [2023-08-31 19:55:45,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 30 transitions, 152 flow [2023-08-31 19:55:45,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 30 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 19:55:45,278 INFO L231 Difference]: Finished difference. Result has 26 places, 28 transitions, 120 flow [2023-08-31 19:55:45,278 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=26, PETRI_TRANSITIONS=28} [2023-08-31 19:55:45,279 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 4 predicate places. [2023-08-31 19:55:45,279 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 28 transitions, 120 flow [2023-08-31 19:55:45,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 19:55:45,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:55:45,280 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:55:45,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 19:55:45,285 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-31 19:55:45,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:55:45,285 INFO L85 PathProgramCache]: Analyzing trace with hash -124255855, now seen corresponding path program 1 times [2023-08-31 19:55:45,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:55:45,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861098379] [2023-08-31 19:55:45,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:55:45,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:55:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:55:45,315 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 19:55:45,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:55:45,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861098379] [2023-08-31 19:55:45,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861098379] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:55:45,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:55:45,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:55:45,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792076106] [2023-08-31 19:55:45,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:55:45,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:55:45,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:55:45,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:55:45,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:55:45,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 89 [2023-08-31 19:55:45,331 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 28 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 19:55:45,331 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:55:45,331 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 89 [2023-08-31 19:55:45,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:55:45,351 INFO L130 PetriNetUnfolder]: 27/95 cut-off events. [2023-08-31 19:55:45,351 INFO L131 PetriNetUnfolder]: For 76/80 co-relation queries the response was YES. [2023-08-31 19:55:45,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 95 events. 27/95 cut-off events. For 76/80 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 359 event pairs, 6 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 249. Up to 56 conditions per place. [2023-08-31 19:55:45,352 INFO L137 encePairwiseOnDemand]: 84/89 looper letters, 11 selfloop transitions, 7 changer transitions 5/33 dead transitions. [2023-08-31 19:55:45,352 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 33 transitions, 190 flow [2023-08-31 19:55:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:55:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:55:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2023-08-31 19:55:45,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5617977528089888 [2023-08-31 19:55:45,354 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 150 transitions. [2023-08-31 19:55:45,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 150 transitions. [2023-08-31 19:55:45,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:55:45,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 150 transitions. [2023-08-31 19:55:45,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 19:55:45,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 19:55:45,355 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 19:55:45,355 INFO L175 Difference]: Start difference. First operand has 26 places, 28 transitions, 120 flow. Second operand 3 states and 150 transitions. [2023-08-31 19:55:45,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 33 transitions, 190 flow [2023-08-31 19:55:45,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 33 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:55:45,357 INFO L231 Difference]: Finished difference. Result has 28 places, 28 transitions, 141 flow [2023-08-31 19:55:45,357 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=28, PETRI_TRANSITIONS=28} [2023-08-31 19:55:45,358 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 6 predicate places. [2023-08-31 19:55:45,358 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 28 transitions, 141 flow [2023-08-31 19:55:45,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 19:55:45,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:55:45,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:55:45,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 19:55:45,359 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-31 19:55:45,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:55:45,359 INFO L85 PathProgramCache]: Analyzing trace with hash -926961632, now seen corresponding path program 1 times [2023-08-31 19:55:45,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:55:45,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395511618] [2023-08-31 19:55:45,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:55:45,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:55:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-31 19:55:45,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-31 19:55:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-31 19:55:45,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-31 19:55:45,390 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-31 19:55:45,391 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-31 19:55:45,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-08-31 19:55:45,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2023-08-31 19:55:45,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-08-31 19:55:45,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-31 19:55:45,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-31 19:55:45,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-31 19:55:45,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 19:55:45,393 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-31 19:55:45,397 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 19:55:45,397 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 19:55:45,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 07:55:45 BasicIcfg [2023-08-31 19:55:45,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 19:55:45,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 19:55:45,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 19:55:45,411 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 19:55:45,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:55:43" (3/4) ... [2023-08-31 19:55:45,413 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-31 19:55:45,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 19:55:45,414 INFO L158 Benchmark]: Toolchain (without parser) took 2373.08ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 57.2MB in the beginning and 53.7MB in the end (delta: 3.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-08-31 19:55:45,414 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:55:45,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.52ms. Allocated memory is still 81.8MB. Free memory was 57.0MB in the beginning and 50.1MB in the end (delta: 6.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-08-31 19:55:45,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.15ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 19:55:45,415 INFO L158 Benchmark]: Boogie Preprocessor took 32.86ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 19:55:45,416 INFO L158 Benchmark]: RCFGBuilder took 269.47ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 35.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-31 19:55:45,416 INFO L158 Benchmark]: TraceAbstraction took 1541.43ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 34.4MB in the beginning and 53.7MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:55:45,416 INFO L158 Benchmark]: Witness Printer took 2.41ms. Allocated memory is still 98.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:55:45,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.52ms. Allocated memory is still 81.8MB. Free memory was 57.0MB in the beginning and 50.1MB in the end (delta: 6.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.15ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.86ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.47ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 35.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1541.43ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 34.4MB in the beginning and 53.7MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.41ms. Allocated memory is still 98.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.0s, 57 PlacesBefore, 22 PlacesAfterwards, 53 TransitionsBefore, 18 TransitionsAfterwards, 612 CoEnabledTransitionPairs, 5 FixpointIterations, 16 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 35 TotalNumberOfCompositions, 1779 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 758, independent: 608, independent conditional: 0, independent unconditional: 608, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 315, independent: 286, independent conditional: 0, independent unconditional: 286, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 758, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 315, unknown conditional: 0, unknown unconditional: 315] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 991]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L996] 0 pthread_t id; [L997] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L998] 0 glob++ VAL [arg={0:0}, glob++=0, glob=1, id={2:0}, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [998] and C: glob++ [991] - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 74 locations, 7 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: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 2 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=3, InterpolantAutomatonStates: 9, 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, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! [2023-08-31 19:55:45,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE