./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 TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/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 TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:27:12,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:27:12,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:27:12,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:27:12,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:27:12,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:27:12,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:27:12,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:27:12,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:27:12,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:27:12,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:27:12,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:27:12,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:27:12,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:27:12,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:27:12,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:27:12,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:27:12,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:27:12,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:27:12,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:27:12,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:27:12,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:27:12,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:27:12,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:27:12,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:27:12,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:27:12,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:27:12,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:27:12,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:27:12,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:27:12,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:27:12,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:27:12,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:27:12,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:27:12,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:27:12,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:27:12,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:27:12,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:27:12,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:27:12,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:27:12,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:27:12,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:27:12,289 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:27:12,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:27:12,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:27:12,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:27:12,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:27:12,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:27:12,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:27:12,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:27:12,292 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:27:12,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:27:12,293 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:27:12,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:27:12,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:27:12,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:27:12,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:27:12,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:27:12,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:27:12,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:27:12,295 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:27:12,295 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:27:12,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:27:12,295 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:27:12,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:27:12,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:27:12,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:27:12,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:27:12,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:27:12,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:27:12,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:27:12,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:27:12,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:27:12,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:27:12,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:27:12,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:27:12,298 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:27:12,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:27:12,298 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:27:12,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:27:12,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:27:12,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:27:12,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:27:12,598 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:27:12,598 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:27:12,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/00-sanity_09-include.i [2023-08-29 17:27:13,657 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:27:13,919 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:27:13,920 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/00-sanity_09-include.i [2023-08-29 17:27:13,932 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9cb0a05/979e690719ee423f8187970c5bf5438a/FLAGf21432d65 [2023-08-29 17:27:13,945 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9cb0a05/979e690719ee423f8187970c5bf5438a [2023-08-29 17:27:13,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:27:13,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:27:13,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:27:13,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:27:13,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:27:13,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:27:13" (1/1) ... [2023-08-29 17:27:13,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b54ccb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:13, skipping insertion in model container [2023-08-29 17:27:13,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:27:13" (1/1) ... [2023-08-29 17:27:13,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:27:14,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:27:14,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:27:14,446 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:27:14,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:27:14,593 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:27:14,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14 WrapperNode [2023-08-29 17:27:14,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:27:14,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:27:14,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:27:14,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:27:14,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,652 INFO L138 Inliner]: procedures = 264, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-08-29 17:27:14,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:27:14,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:27:14,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:27:14,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:27:14,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,687 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:27:14,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:27:14,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:27:14,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:27:14,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (1/1) ... [2023-08-29 17:27:14,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:27:14,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:27:14,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 17:27:14,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 17:27:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:27:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:27:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:27:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 17:27:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:27:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 17:27:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 17:27:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:27:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:27:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:27:14,774 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 17:27:14,949 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:27:14,963 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:27:15,077 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:27:15,082 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:27:15,082 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 17:27:15,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:27:15 BoogieIcfgContainer [2023-08-29 17:27:15,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:27:15,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:27:15,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:27:15,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:27:15,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:27:13" (1/3) ... [2023-08-29 17:27:15,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5f65de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:27:15, skipping insertion in model container [2023-08-29 17:27:15,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:27:14" (2/3) ... [2023-08-29 17:27:15,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5f65de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:27:15, skipping insertion in model container [2023-08-29 17:27:15,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:27:15" (3/3) ... [2023-08-29 17:27:15,091 INFO L112 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2023-08-29 17:27:15,099 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:27:15,106 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:27:15,107 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-29 17:27:15,107 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:27:15,148 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 17:27:15,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 113 flow [2023-08-29 17:27:15,232 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2023-08-29 17:27:15,233 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:27:15,235 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. [2023-08-29 17:27:15,235 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 54 transitions, 113 flow [2023-08-29 17:27:15,239 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 53 transitions, 109 flow [2023-08-29 17:27:15,242 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:27:15,254 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 53 transitions, 109 flow [2023-08-29 17:27:15,257 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 53 transitions, 109 flow [2023-08-29 17:27:15,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 53 transitions, 109 flow [2023-08-29 17:27:15,285 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2023-08-29 17:27:15,286 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:27:15,286 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. [2023-08-29 17:27:15,287 INFO L119 LiptonReduction]: Number of co-enabled transitions 612 [2023-08-29 17:27:16,576 INFO L134 LiptonReduction]: Checked pairs total: 1779 [2023-08-29 17:27:16,576 INFO L136 LiptonReduction]: Total number of compositions: 35 [2023-08-29 17:27:16,587 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:27:16,592 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;@3559de6a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:27:16,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-29 17:27:16,595 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2023-08-29 17:27:16,595 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:27:16,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:27:16,595 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 17:27:16,596 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)] === [2023-08-29 17:27:16,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:27:16,600 INFO L85 PathProgramCache]: Analyzing trace with hash 5845720, now seen corresponding path program 1 times [2023-08-29 17:27:16,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:27:16,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488797705] [2023-08-29 17:27:16,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:27:16,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:27:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:27:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:27:16,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:27:16,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488797705] [2023-08-29 17:27:16,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488797705] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:27:16,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:27:16,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:27:16,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065719426] [2023-08-29 17:27:16,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:27:16,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:27:16,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:27:16,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:27:16,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:27:16,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 89 [2023-08-29 17:27:16,917 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) [2023-08-29 17:27:16,917 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:27:16,917 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 89 [2023-08-29 17:27:16,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:27:16,966 INFO L130 PetriNetUnfolder]: 27/93 cut-off events. [2023-08-29 17:27:16,967 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:27:16,968 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. [2023-08-29 17:27:16,970 INFO L137 encePairwiseOnDemand]: 81/89 looper letters, 16 selfloop transitions, 6 changer transitions 0/27 dead transitions. [2023-08-29 17:27:16,970 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 27 transitions, 101 flow [2023-08-29 17:27:16,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:27:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:27:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2023-08-29 17:27:16,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5955056179775281 [2023-08-29 17:27:16,983 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 159 transitions. [2023-08-29 17:27:16,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 159 transitions. [2023-08-29 17:27:16,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:27:16,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 159 transitions. [2023-08-29 17:27:16,991 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) [2023-08-29 17:27:16,996 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) [2023-08-29 17:27:16,997 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) [2023-08-29 17:27:16,998 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 159 transitions. [2023-08-29 17:27:16,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 27 transitions, 101 flow [2023-08-29 17:27:17,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 27 transitions, 100 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:27:17,002 INFO L231 Difference]: Finished difference. Result has 25 places, 24 transitions, 90 flow [2023-08-29 17:27:17,003 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} [2023-08-29 17:27:17,008 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2023-08-29 17:27:17,008 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 24 transitions, 90 flow [2023-08-29 17:27:17,009 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) [2023-08-29 17:27:17,009 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:27:17,009 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:27:17,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:27:17,009 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)] === [2023-08-29 17:27:17,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:27:17,017 INFO L85 PathProgramCache]: Analyzing trace with hash -306997248, now seen corresponding path program 1 times [2023-08-29 17:27:17,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:27:17,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453990661] [2023-08-29 17:27:17,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:27:17,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:27:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:27:17,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:27:17,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:27:17,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453990661] [2023-08-29 17:27:17,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453990661] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:27:17,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:27:17,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:27:17,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606834505] [2023-08-29 17:27:17,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:27:17,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:27:17,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:27:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:27:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:27:17,120 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 89 [2023-08-29 17:27:17,120 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) [2023-08-29 17:27:17,121 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:27:17,121 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 89 [2023-08-29 17:27:17,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:27:17,160 INFO L130 PetriNetUnfolder]: 26/92 cut-off events. [2023-08-29 17:27:17,160 INFO L131 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2023-08-29 17:27:17,161 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. [2023-08-29 17:27:17,162 INFO L137 encePairwiseOnDemand]: 84/89 looper letters, 13 selfloop transitions, 6 changer transitions 1/30 dead transitions. [2023-08-29 17:27:17,163 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 30 transitions, 152 flow [2023-08-29 17:27:17,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:27:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:27:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2023-08-29 17:27:17,171 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5543071161048689 [2023-08-29 17:27:17,171 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 148 transitions. [2023-08-29 17:27:17,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 148 transitions. [2023-08-29 17:27:17,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:27:17,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 148 transitions. [2023-08-29 17:27:17,174 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) [2023-08-29 17:27:17,175 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) [2023-08-29 17:27:17,175 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) [2023-08-29 17:27:17,175 INFO L175 Difference]: Start difference. First operand has 25 places, 24 transitions, 90 flow. Second operand 3 states and 148 transitions. [2023-08-29 17:27:17,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 30 transitions, 152 flow [2023-08-29 17:27:17,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 30 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:27:17,178 INFO L231 Difference]: Finished difference. Result has 26 places, 28 transitions, 120 flow [2023-08-29 17:27:17,179 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} [2023-08-29 17:27:17,179 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 4 predicate places. [2023-08-29 17:27:17,179 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 28 transitions, 120 flow [2023-08-29 17:27:17,180 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) [2023-08-29 17:27:17,180 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:27:17,180 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:27:17,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:27:17,180 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)] === [2023-08-29 17:27:17,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:27:17,183 INFO L85 PathProgramCache]: Analyzing trace with hash -124255855, now seen corresponding path program 1 times [2023-08-29 17:27:17,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:27:17,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925409764] [2023-08-29 17:27:17,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:27:17,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:27:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:27:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:27:17,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:27:17,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925409764] [2023-08-29 17:27:17,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925409764] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:27:17,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:27:17,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:27:17,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035232565] [2023-08-29 17:27:17,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:27:17,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:27:17,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:27:17,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:27:17,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:27:17,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 89 [2023-08-29 17:27:17,261 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) [2023-08-29 17:27:17,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:27:17,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 89 [2023-08-29 17:27:17,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:27:17,300 INFO L130 PetriNetUnfolder]: 27/95 cut-off events. [2023-08-29 17:27:17,300 INFO L131 PetriNetUnfolder]: For 76/80 co-relation queries the response was YES. [2023-08-29 17:27:17,300 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. [2023-08-29 17:27:17,301 INFO L137 encePairwiseOnDemand]: 84/89 looper letters, 11 selfloop transitions, 7 changer transitions 5/33 dead transitions. [2023-08-29 17:27:17,301 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 33 transitions, 190 flow [2023-08-29 17:27:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:27:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:27:17,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2023-08-29 17:27:17,304 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5617977528089888 [2023-08-29 17:27:17,304 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 150 transitions. [2023-08-29 17:27:17,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 150 transitions. [2023-08-29 17:27:17,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:27:17,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 150 transitions. [2023-08-29 17:27:17,305 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) [2023-08-29 17:27:17,306 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) [2023-08-29 17:27:17,307 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) [2023-08-29 17:27:17,307 INFO L175 Difference]: Start difference. First operand has 26 places, 28 transitions, 120 flow. Second operand 3 states and 150 transitions. [2023-08-29 17:27:17,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 33 transitions, 190 flow [2023-08-29 17:27:17,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 33 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:27:17,312 INFO L231 Difference]: Finished difference. Result has 28 places, 28 transitions, 141 flow [2023-08-29 17:27:17,312 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} [2023-08-29 17:27:17,313 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 6 predicate places. [2023-08-29 17:27:17,313 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 28 transitions, 141 flow [2023-08-29 17:27:17,313 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) [2023-08-29 17:27:17,313 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:27:17,313 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:27:17,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:27:17,314 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)] === [2023-08-29 17:27:17,314 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:27:17,314 INFO L85 PathProgramCache]: Analyzing trace with hash -926961632, now seen corresponding path program 1 times [2023-08-29 17:27:17,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:27:17,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686121186] [2023-08-29 17:27:17,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:27:17,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:27:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 17:27:17,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 17:27:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 17:27:17,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 17:27:17,374 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 17:27:17,374 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-29 17:27:17,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-08-29 17:27:17,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2023-08-29 17:27:17,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-08-29 17:27:17,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-29 17:27:17,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-29 17:27:17,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-29 17:27:17,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:27:17,378 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 17:27:17,382 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:27:17,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:27:17,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:27:17 BasicIcfg [2023-08-29 17:27:17,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:27:17,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:27:17,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:27:17,399 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:27:17,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:27:15" (3/4) ... [2023-08-29 17:27:17,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 17:27:17,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:27:17,402 INFO L158 Benchmark]: Toolchain (without parser) took 3452.83ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 62.4MB in the beginning and 59.4MB in the end (delta: 3.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-08-29 17:27:17,402 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:27:17,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.49ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 54.3MB in the end (delta: 7.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-08-29 17:27:17,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.95ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:27:17,403 INFO L158 Benchmark]: Boogie Preprocessor took 40.47ms. Allocated memory is still 86.0MB. Free memory was 51.9MB in the beginning and 50.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:27:17,404 INFO L158 Benchmark]: RCFGBuilder took 389.75ms. Allocated memory is still 86.0MB. Free memory was 50.8MB in the beginning and 62.1MB in the end (delta: -11.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-08-29 17:27:17,404 INFO L158 Benchmark]: TraceAbstraction took 2312.55ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-08-29 17:27:17,404 INFO L158 Benchmark]: Witness Printer took 2.54ms. Allocated memory is still 104.9MB. Free memory was 60.2MB in the beginning and 59.4MB in the end (delta: 781.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:27:17,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.49ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 54.3MB in the end (delta: 7.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.95ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.47ms. Allocated memory is still 86.0MB. Free memory was 51.9MB in the beginning and 50.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.75ms. Allocated memory is still 86.0MB. Free memory was 50.8MB in the beginning and 62.1MB in the end (delta: -11.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2312.55ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 2.54ms. Allocated memory is still 104.9MB. Free memory was 60.2MB in the beginning and 59.4MB in the end (delta: 781.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 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: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s 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! [2023-08-29 17:27:17,439 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE