./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --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/pthread-atomic/read_write_lock-1b.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 e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:59:53,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:59:53,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:59:53,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:59:53,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:59:53,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:59:53,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:59:53,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:59:53,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:59:53,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:59:53,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:59:53,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:59:53,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:59:53,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:59:53,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:59:53,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:59:53,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:59:53,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:59:53,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:59:53,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:59:53,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:59:53,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:59:53,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:59:53,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:59:53,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:59:53,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:59:53,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:59:53,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:59:53,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:59:53,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:59:53,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:59:53,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:59:53,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:59:53,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:59:53,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:59:53,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:59:53,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:59:53,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:59:53,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:59:53,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:59:53,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:59:53,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:59:53,341 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:59:53,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:59:53,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:59:53,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:59:53,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:59:53,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:59:53,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:59:53,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:59:53,345 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:59:53,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:59:53,345 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:59:53,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:59:53,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:59:53,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:59:53,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:59:53,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:59:53,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:59:53,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:59:53,347 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:59:53,347 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:59:53,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:59:53,347 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:59:53,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:59:53,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:59:53,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:59:53,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:59:53,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:53,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:59:53,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:59:53,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:59:53,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:59:53,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:59:53,349 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:59:53,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:59:53,349 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:59:53,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:59:53,350 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:59:53,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 03:59:53,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:59:53,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:59:53,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:59:53,574 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:59:53,574 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:59:53,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2023-08-29 03:59:54,573 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:59:54,806 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:59:54,807 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2023-08-29 03:59:54,819 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e9fac12/47e3541402d34d9ab822c2973635ad22/FLAGfcfc5fa37 [2023-08-29 03:59:54,836 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e9fac12/47e3541402d34d9ab822c2973635ad22 [2023-08-29 03:59:54,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:59:54,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:59:54,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:54,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:59:54,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:59:54,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:54" (1/1) ... [2023-08-29 03:59:54,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cdec1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:54, skipping insertion in model container [2023-08-29 03:59:54,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:54" (1/1) ... [2023-08-29 03:59:54,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:59:54,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:59:55,139 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i[30416,30429] [2023-08-29 03:59:55,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:55,156 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:59:55,186 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i[30416,30429] [2023-08-29 03:59:55,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:55,227 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:59:55,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55 WrapperNode [2023-08-29 03:59:55,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:55,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:55,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:59:55,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:59:55,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,275 INFO L138 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 167 [2023-08-29 03:59:55,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:55,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:59:55,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:59:55,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:59:55,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:59:55,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:59:55,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:59:55,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:59:55,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (1/1) ... [2023-08-29 03:59:55,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:55,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:59:55,382 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 03:59:55,388 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 03:59:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:59:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:59:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:59:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-08-29 03:59:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-08-29 03:59:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:59:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:59:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:59:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:59:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:59:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-08-29 03:59:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-08-29 03:59:55,454 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 03:59:55,566 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:59:55,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:59:55,783 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:59:55,869 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:59:55,870 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 03:59:55,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:55 BoogieIcfgContainer [2023-08-29 03:59:55,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:59:55,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:59:55,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:59:55,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:59:55,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:59:54" (1/3) ... [2023-08-29 03:59:55,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddf6d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:55, skipping insertion in model container [2023-08-29 03:59:55,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:55" (2/3) ... [2023-08-29 03:59:55,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddf6d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:55, skipping insertion in model container [2023-08-29 03:59:55,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:55" (3/3) ... [2023-08-29 03:59:55,876 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1b.i [2023-08-29 03:59:55,881 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:59:55,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:59:55,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-29 03:59:55,888 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:59:55,990 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 03:59:55,996 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 03:59:55,999 INFO L158 Benchmark]: Toolchain (without parser) took 1158.86ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 60.9MB in the end (delta: 5.8MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:55,999 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:59:56,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.91ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 46.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 03:59:56,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.15ms. Allocated memory is still 90.2MB. Free memory was 46.7MB in the beginning and 44.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:59:56,000 INFO L158 Benchmark]: Boogie Preprocessor took 55.95ms. Allocated memory is still 90.2MB. Free memory was 44.1MB in the beginning and 69.4MB in the end (delta: -25.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 03:59:56,001 INFO L158 Benchmark]: RCFGBuilder took 538.74ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 42.5MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-29 03:59:56,001 INFO L158 Benchmark]: TraceAbstraction took 125.42ms. Allocated memory is still 90.2MB. Free memory was 41.7MB in the beginning and 60.9MB in the end (delta: -19.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-08-29 03:59:56,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.91ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 46.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.15ms. Allocated memory is still 90.2MB. Free memory was 46.7MB in the beginning and 44.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.95ms. Allocated memory is still 90.2MB. Free memory was 44.1MB in the beginning and 69.4MB in the end (delta: -25.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 538.74ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 42.5MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 125.42ms. Allocated memory is still 90.2MB. Free memory was 41.7MB in the beginning and 60.9MB in the end (delta: -19.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 03:59:56,040 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/pthread-atomic/read_write_lock-1b.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.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 e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:59:57,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:59:57,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:59:57,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:59:57,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:59:57,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:59:57,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:59:57,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:59:57,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:59:57,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:59:57,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:59:57,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:59:57,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:59:57,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:59:57,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:59:57,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:59:57,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:59:57,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:59:57,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:59:57,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:59:57,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:59:57,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:59:57,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:59:57,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:59:57,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:59:57,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:59:57,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:59:57,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:59:57,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:59:57,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:59:57,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:59:57,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:59:57,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:59:57,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:59:57,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:59:57,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:59:57,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:59:57,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:59:57,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:59:57,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:59:57,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:59:57,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 03:59:57,711 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:59:57,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:59:57,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:59:57,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:59:57,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:59:57,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:59:57,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:59:57,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:59:57,716 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:59:57,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:59:57,716 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:59:57,716 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:59:57,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:59:57,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:59:57,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:59:57,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:59:57,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:59:57,717 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:59:57,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 03:59:57,718 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 03:59:57,718 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:59:57,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:59:57,718 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:59:57,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:59:57,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:59:57,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:59:57,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:59:57,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:57,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:59:57,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:59:57,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:59:57,719 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 03:59:57,720 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 03:59:57,720 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:59:57,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:59:57,720 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:59:57,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:59:57,720 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 03:59:57,720 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:59:57,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e74a9d887f2b5ed1ee32deb282db19752d3db312511ed38f97d9f22bdf2fecb9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 03:59:57,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:59:57,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:59:57,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:59:57,975 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:59:57,975 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:59:57,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2023-08-29 03:59:59,032 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:59:59,223 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:59:59,224 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2023-08-29 03:59:59,233 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a8d477d/9cf19ac8cba342f2a93332c6bd324e51/FLAG5a39d5475 [2023-08-29 03:59:59,242 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a8d477d/9cf19ac8cba342f2a93332c6bd324e51 [2023-08-29 03:59:59,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:59:59,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:59:59,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:59,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:59:59,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:59:59,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662bdc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59, skipping insertion in model container [2023-08-29 03:59:59,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:59:59,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:59:59,473 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i[30416,30429] [2023-08-29 03:59:59,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:59,493 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:59:59,527 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i[30416,30429] [2023-08-29 03:59:59,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:59,558 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:59:59,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59 WrapperNode [2023-08-29 03:59:59,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:59,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:59,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:59:59,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:59:59,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,600 INFO L138 Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 168 [2023-08-29 03:59:59,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:59,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:59:59,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:59:59,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:59:59,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,620 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:59:59,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:59:59,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:59:59,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:59:59,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (1/1) ... [2023-08-29 03:59:59,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:59,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:59:59,654 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 03:59:59,676 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 03:59:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 03:59:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:59:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-08-29 03:59:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-08-29 03:59:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:59:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:59:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 03:59:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 03:59:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:59:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:59:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-08-29 03:59:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-08-29 03:59:59,685 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 03:59:59,848 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:59:59,850 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 04:00:00,168 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 04:00:00,259 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 04:00:00,259 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 04:00:00,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:00:00 BoogieIcfgContainer [2023-08-29 04:00:00,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 04:00:00,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 04:00:00,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 04:00:00,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 04:00:00,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:59:59" (1/3) ... [2023-08-29 04:00:00,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e78cec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:00:00, skipping insertion in model container [2023-08-29 04:00:00,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:59" (2/3) ... [2023-08-29 04:00:00,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e78cec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:00:00, skipping insertion in model container [2023-08-29 04:00:00,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:00:00" (3/3) ... [2023-08-29 04:00:00,273 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1b.i [2023-08-29 04:00:00,278 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 04:00:00,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 04:00:00,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-29 04:00:00,285 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 04:00:00,365 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 04:00:00,370 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 04:00:00,374 INFO L158 Benchmark]: Toolchain (without parser) took 1129.37ms. Allocated memory is still 79.7MB. Free memory was 47.3MB in the beginning and 40.1MB in the end (delta: 7.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-08-29 04:00:00,375 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 04:00:00,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.38ms. Allocated memory is still 79.7MB. Free memory was 47.1MB in the beginning and 45.7MB in the end (delta: 1.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-08-29 04:00:00,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.08ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 43.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 04:00:00,376 INFO L158 Benchmark]: Boogie Preprocessor took 22.48ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 40.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 04:00:00,377 INFO L158 Benchmark]: RCFGBuilder took 636.75ms. Allocated memory is still 79.7MB. Free memory was 40.8MB in the beginning and 31.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-08-29 04:00:00,377 INFO L158 Benchmark]: TraceAbstraction took 103.59ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 40.1MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 04:00:00,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.38ms. Allocated memory is still 79.7MB. Free memory was 47.1MB in the beginning and 45.7MB in the end (delta: 1.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.08ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 43.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.48ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 40.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.75ms. Allocated memory is still 79.7MB. Free memory was 40.8MB in the beginning and 31.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * TraceAbstraction took 103.59ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 40.1MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 04:00:00,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE