./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_3b-join.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/ldv-races/race-1_3b-join.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b --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 09:01:50,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:01:50,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:01:50,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:01:50,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:01:50,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:01:50,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:01:50,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:01:50,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:01:50,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:01:50,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:01:50,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:01:50,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:01:50,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:01:50,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:01:50,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:01:50,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:01:50,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:01:50,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:01:50,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:01:50,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:01:50,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:01:50,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:01:50,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:01:50,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:01:50,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:01:50,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:01:50,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:01:50,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:01:50,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:01:50,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:01:50,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:01:50,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:01:50,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:01:50,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:01:50,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:01:50,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:01:50,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:01:50,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:01:50,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:01:50,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:01:50,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:01:50,397 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:01:50,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:01:50,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:01:50,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:01:50,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:01:50,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:01:50,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:01:50,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:01:50,400 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:01:50,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:01:50,401 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:01:50,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:01:50,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:01:50,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:01:50,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:01:50,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:01:50,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:01:50,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:01:50,402 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:01:50,402 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:01:50,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:01:50,402 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:01:50,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:01:50,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:01:50,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:01:50,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:01:50,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:01:50,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:01:50,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:01:50,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:01:50,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:01:50,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:01:50,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:01:50,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:01:50,404 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:01:50,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:01:50,405 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:01:50,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:01:50,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:01:50,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:01:50,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:01:50,668 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:01:50,668 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:01:50,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2023-08-29 09:01:51,650 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:01:51,951 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:01:51,952 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2023-08-29 09:01:51,986 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/589743a68/e902567659e64376bafd5b0962d6b1f2/FLAG2b4cb1de9 [2023-08-29 09:01:52,001 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/589743a68/e902567659e64376bafd5b0962d6b1f2 [2023-08-29 09:01:52,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:01:52,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:01:52,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:01:52,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:01:52,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:01:52,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d90c7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52, skipping insertion in model container [2023-08-29 09:01:52,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:01:52,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:01:52,465 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2023-08-29 09:01:52,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:01:52,515 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:01:52,575 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2023-08-29 09:01:52,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:01:52,671 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:01:52,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52 WrapperNode [2023-08-29 09:01:52,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:01:52,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:01:52,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:01:52,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:01:52,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,734 INFO L138 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-08-29 09:01:52,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:01:52,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:01:52,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:01:52,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:01:52,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,785 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:01:52,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:01:52,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:01:52,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:01:52,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (1/1) ... [2023-08-29 09:01:52,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:01:52,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:01:52,821 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 09:01:52,850 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 09:01:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:01:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:01:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 09:01:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:01:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 09:01:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:01:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:01:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:01:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:01:52,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:01:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:01:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:01:52,861 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 09:01:53,109 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:01:53,110 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:01:53,261 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:01:53,266 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:01:53,266 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 09:01:53,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:01:53 BoogieIcfgContainer [2023-08-29 09:01:53,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:01:53,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:01:53,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:01:53,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:01:53,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:01:52" (1/3) ... [2023-08-29 09:01:53,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed28cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:01:53, skipping insertion in model container [2023-08-29 09:01:53,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:52" (2/3) ... [2023-08-29 09:01:53,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed28cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:01:53, skipping insertion in model container [2023-08-29 09:01:53,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:01:53" (3/3) ... [2023-08-29 09:01:53,273 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i [2023-08-29 09:01:53,278 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:01:53,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:01:53,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-29 09:01:53,284 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:01:53,341 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 09:01:53,350 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 09:01:53,354 INFO L158 Benchmark]: Toolchain (without parser) took 1347.87ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 56.4MB in the beginning and 66.6MB in the end (delta: -10.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-08-29 09:01:53,355 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:01:53,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.38ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 42.0MB in the end (delta: 14.3MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-08-29 09:01:53,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.11ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 38.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:01:53,356 INFO L158 Benchmark]: Boogie Preprocessor took 61.65ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 36.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:01:53,356 INFO L158 Benchmark]: RCFGBuilder took 468.97ms. Allocated memory is still 79.7MB. Free memory was 36.0MB in the beginning and 36.1MB in the end (delta: -146.2kB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-08-29 09:01:53,357 INFO L158 Benchmark]: TraceAbstraction took 83.61ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 35.3MB in the beginning and 66.6MB in the end (delta: -31.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 09:01:53,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.38ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 42.0MB in the end (delta: 14.3MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.11ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 38.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.65ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 36.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.97ms. Allocated memory is still 79.7MB. Free memory was 36.0MB in the beginning and 36.1MB in the end (delta: -146.2kB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * TraceAbstraction took 83.61ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 35.3MB in the beginning and 66.6MB in the end (delta: -31.2MB). Peak memory consumption was 8.4MB. 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 09:01:53,411 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/ldv-races/race-1_3b-join.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 c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b --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 09:01:55,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:01:55,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:01:55,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:01:55,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:01:55,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:01:55,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:01:55,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:01:55,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:01:55,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:01:55,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:01:55,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:01:55,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:01:55,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:01:55,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:01:55,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:01:55,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:01:55,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:01:55,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:01:55,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:01:55,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:01:55,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:01:55,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:01:55,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:01:55,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:01:55,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:01:55,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:01:55,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:01:55,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:01:55,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:01:55,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:01:55,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:01:55,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:01:55,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:01:55,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:01:55,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:01:55,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:01:55,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:01:55,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:01:55,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:01:55,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:01:55,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:01:55,313 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:01:55,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:01:55,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:01:55,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:01:55,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:01:55,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:01:55,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:01:55,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:01:55,316 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:01:55,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:01:55,316 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:01:55,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:01:55,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:01:55,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:01:55,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:01:55,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:01:55,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:01:55,318 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:01:55,318 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:01:55,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:01:55,318 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:01:55,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:01:55,318 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:01:55,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:01:55,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:01:55,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:01:55,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:01:55,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:01:55,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:01:55,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:01:55,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:01:55,320 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:01:55,320 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:01:55,320 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:01:55,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:01:55,320 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:01:55,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:01:55,321 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:01:55,321 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:01:55,321 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:01:55,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:01:55,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:01:55,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:01:55,596 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:01:55,596 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:01:55,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2023-08-29 09:01:56,609 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:01:56,889 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:01:56,889 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2023-08-29 09:01:56,899 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a88b4fd1/cdfad0f9c43a43a7875da7d3cb3ce653/FLAG9c31beccf [2023-08-29 09:01:57,208 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a88b4fd1/cdfad0f9c43a43a7875da7d3cb3ce653 [2023-08-29 09:01:57,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:01:57,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:01:57,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:01:57,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:01:57,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:01:57,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:57,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c92f9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57, skipping insertion in model container [2023-08-29 09:01:57,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:57,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:01:57,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:01:57,815 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2023-08-29 09:01:57,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:01:57,844 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:01:57,884 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2023-08-29 09:01:57,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:01:57,978 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:01:57,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57 WrapperNode [2023-08-29 09:01:57,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:01:57,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:01:57,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:01:57,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:01:57,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,021 INFO L138 Inliner]: procedures = 484, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-08-29 09:01:58,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:01:58,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:01:58,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:01:58,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:01:58,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:01:58,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:01:58,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:01:58,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:01:58,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (1/1) ... [2023-08-29 09:01:58,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:01:58,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:01:58,138 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 09:01:58,158 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 09:01:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:01:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:01:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-29 09:01:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 09:01:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:01:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 09:01:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:01:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:01:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:01:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:01:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:01:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:01:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:01:58,176 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 09:01:58,476 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:01:58,478 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:01:58,649 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:01:58,654 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:01:58,654 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 09:01:58,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:01:58 BoogieIcfgContainer [2023-08-29 09:01:58,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:01:58,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:01:58,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:01:58,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:01:58,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:01:57" (1/3) ... [2023-08-29 09:01:58,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e120c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:01:58, skipping insertion in model container [2023-08-29 09:01:58,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:01:57" (2/3) ... [2023-08-29 09:01:58,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e120c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:01:58, skipping insertion in model container [2023-08-29 09:01:58,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:01:58" (3/3) ... [2023-08-29 09:01:58,660 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i [2023-08-29 09:01:58,666 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:01:58,672 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:01:58,672 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-29 09:01:58,672 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:01:58,716 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 09:01:58,720 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 09:01:58,723 INFO L158 Benchmark]: Toolchain (without parser) took 1512.08ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 52.3MB in the beginning and 62.4MB in the end (delta: -10.1MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-08-29 09:01:58,724 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:01:58,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.81ms. Allocated memory is still 77.6MB. Free memory was 52.1MB in the beginning and 36.7MB in the end (delta: 15.4MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-08-29 09:01:58,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.62ms. Allocated memory is still 77.6MB. Free memory was 36.7MB in the beginning and 33.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:01:58,725 INFO L158 Benchmark]: Boogie Preprocessor took 52.47ms. Allocated memory is still 77.6MB. Free memory was 33.2MB in the beginning and 29.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:01:58,725 INFO L158 Benchmark]: RCFGBuilder took 580.39ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 29.7MB in the beginning and 44.2MB in the end (delta: -14.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-08-29 09:01:58,725 INFO L158 Benchmark]: TraceAbstraction took 65.57ms. Allocated memory is still 96.5MB. Free memory was 43.2MB in the beginning and 62.4MB in the end (delta: -19.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 09:01:58,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 767.81ms. Allocated memory is still 77.6MB. Free memory was 52.1MB in the beginning and 36.7MB in the end (delta: 15.4MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.62ms. Allocated memory is still 77.6MB. Free memory was 36.7MB in the beginning and 33.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.47ms. Allocated memory is still 77.6MB. Free memory was 33.2MB in the beginning and 29.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.39ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 29.7MB in the beginning and 44.2MB in the end (delta: -14.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * TraceAbstraction took 65.57ms. Allocated memory is still 96.5MB. Free memory was 43.2MB in the beginning and 62.4MB in the end (delta: -19.2MB). Peak memory consumption was 6.3MB. 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 09:01:58,747 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