./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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-C-DAC/pthread-demo-datarace-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --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 [2023-08-30 12:26:50,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:26:50,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:26:50,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:26:50,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:26:50,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:26:50,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:26:50,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:26:50,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:26:50,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:26:50,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:26:50,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:26:50,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:26:50,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:26:50,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:26:50,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:26:50,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:26:50,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:26:50,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:26:50,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:26:50,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:26:50,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:26:50,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:26:50,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:26:50,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:26:50,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:26:50,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:26:50,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:26:50,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:26:50,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:26:50,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:26:50,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:26:50,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:26:50,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:26:50,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:26:50,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:26:50,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:26:50,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:26:50,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:26:50,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:26:50,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:26:50,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:26:50,165 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:26:50,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:26:50,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:26:50,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:26:50,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:26:50,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:26:50,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:26:50,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:26:50,169 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:26:50,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:26:50,170 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:26:50,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:26:50,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:26:50,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:26:50,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:26:50,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:26:50,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:26:50,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:26:50,172 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:26:50,172 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:26:50,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:26:50,172 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:26:50,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:26:50,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:26:50,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:26:50,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:26:50,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:26:50,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:26:50,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:26:50,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:26:50,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:26:50,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:26:50,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:26:50,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:26:50,175 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:26:50,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:26:50,176 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:26:50,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:26:50,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:26:50,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:26:50,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:26:50,535 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:26:50,535 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:26:50,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2023-08-30 12:26:51,776 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:26:52,064 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:26:52,064 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2023-08-30 12:26:52,080 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef72a41b3/76c26b201d2440cabfbedbf36b1aa67a/FLAGa8e426d85 [2023-08-30 12:26:52,094 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef72a41b3/76c26b201d2440cabfbedbf36b1aa67a [2023-08-30 12:26:52,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:26:52,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:26:52,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:26:52,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:26:52,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:26:52,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fbc732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52, skipping insertion in model container [2023-08-30 12:26:52,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:26:52,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:26:52,313 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-C-DAC/pthread-demo-datarace-1.i[820,833] [2023-08-30 12:26:52,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:26:52,685 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:26:52,697 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-C-DAC/pthread-demo-datarace-1.i[820,833] [2023-08-30 12:26:52,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:26:52,842 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:26:52,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52 WrapperNode [2023-08-30 12:26:52,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:26:52,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:26:52,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:26:52,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:26:52,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,908 INFO L138 Inliner]: procedures = 364, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-08-30 12:26:52,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:26:52,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:26:52,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:26:52,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:26:52,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:26:52,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:26:52,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:26:52,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:26:52,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (1/1) ... [2023-08-30 12:26:52,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:26:52,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:26:52,997 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) [2023-08-30 12:26:53,006 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 [2023-08-30 12:26:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:26:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:26:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2023-08-30 12:26:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2023-08-30 12:26:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:26:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:26:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:26:53,036 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:26:53,146 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:26:53,148 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:26:53,322 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:26:53,335 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:26:53,337 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:26:53,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:26:53 BoogieIcfgContainer [2023-08-30 12:26:53,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:26:53,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:26:53,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:26:53,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:26:53,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:26:52" (1/3) ... [2023-08-30 12:26:53,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7c4778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:26:53, skipping insertion in model container [2023-08-30 12:26:53,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:52" (2/3) ... [2023-08-30 12:26:53,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7c4778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:26:53, skipping insertion in model container [2023-08-30 12:26:53,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:26:53" (3/3) ... [2023-08-30 12:26:53,346 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2023-08-30 12:26:53,353 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:26:53,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:26:53,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:26:53,362 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:26:53,453 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 12:26:53,460 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) [2023-08-30 12:26:53,465 INFO L158 Benchmark]: Toolchain (without parser) took 1365.84ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.2MB in the beginning and 60.6MB in the end (delta: -13.4MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-08-30 12:26:53,465 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:26:53,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.22ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 29.8MB in the end (delta: 17.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-30 12:26:53,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.81ms. Allocated memory is still 71.3MB. Free memory was 29.8MB in the beginning and 27.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:26:53,467 INFO L158 Benchmark]: Boogie Preprocessor took 53.65ms. Allocated memory is still 71.3MB. Free memory was 27.4MB in the beginning and 48.1MB in the end (delta: -20.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-08-30 12:26:53,468 INFO L158 Benchmark]: RCFGBuilder took 374.88ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 34.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:26:53,469 INFO L158 Benchmark]: TraceAbstraction took 122.97ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 60.6MB in the end (delta: -27.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:26:53,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.22ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 29.8MB in the end (delta: 17.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.81ms. Allocated memory is still 71.3MB. Free memory was 29.8MB in the beginning and 27.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.65ms. Allocated memory is still 71.3MB. Free memory was 27.4MB in the beginning and 48.1MB in the end (delta: -20.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.88ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 34.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 122.97ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 60.6MB in the end (delta: -27.2MB). 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. [2023-08-30 12:26:53,504 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-C-DAC/pthread-demo-datarace-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --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 [2023-08-30 12:26:55,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:26:55,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:26:55,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:26:55,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:26:55,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:26:55,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:26:55,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:26:55,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:26:55,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:26:55,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:26:55,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:26:55,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:26:55,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:26:55,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:26:55,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:26:55,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:26:55,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:26:55,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:26:55,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:26:55,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:26:55,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:26:55,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:26:55,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:26:55,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:26:55,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:26:55,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:26:55,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:26:55,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:26:55,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:26:55,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:26:55,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:26:55,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:26:55,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:26:55,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:26:55,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:26:55,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:26:55,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:26:55,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:26:55,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:26:55,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:26:55,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:26:55,501 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:26:55,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:26:55,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:26:55,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:26:55,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:26:55,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:26:55,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:26:55,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:26:55,505 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:26:55,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:26:55,506 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:26:55,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:26:55,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:26:55,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:26:55,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:26:55,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:26:55,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:26:55,507 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:26:55,508 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:26:55,508 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:26:55,508 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:26:55,508 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:26:55,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:26:55,509 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:26:55,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:26:55,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:26:55,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:26:55,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:26:55,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:26:55,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:26:55,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:26:55,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:26:55,511 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:26:55,511 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:26:55,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:26:55,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:26:55,512 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:26:55,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:26:55,512 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:26:55,512 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:26:55,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:26:55,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:26:55,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:26:55,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:26:55,856 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:26:55,857 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:26:55,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2023-08-30 12:26:57,044 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:26:57,329 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:26:57,330 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2023-08-30 12:26:57,350 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/666c0989e/f6a34ec77b224d88aac8ba2c62ce5229/FLAG7f69d1505 [2023-08-30 12:26:57,364 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/666c0989e/f6a34ec77b224d88aac8ba2c62ce5229 [2023-08-30 12:26:57,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:26:57,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:26:57,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:26:57,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:26:57,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:26:57,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:26:57" (1/1) ... [2023-08-30 12:26:57,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a28df22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:57, skipping insertion in model container [2023-08-30 12:26:57,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:26:57" (1/1) ... [2023-08-30 12:26:57,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:26:57,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:26:57,567 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-C-DAC/pthread-demo-datarace-1.i[820,833] [2023-08-30 12:26:57,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:26:57,946 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:26:57,956 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-C-DAC/pthread-demo-datarace-1.i[820,833] [2023-08-30 12:26:57,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:26:58,069 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:26:58,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58 WrapperNode [2023-08-30 12:26:58,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:26:58,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:26:58,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:26:58,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:26:58,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,127 INFO L138 Inliner]: procedures = 368, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-08-30 12:26:58,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:26:58,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:26:58,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:26:58,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:26:58,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:26:58,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:26:58,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:26:58,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:26:58,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (1/1) ... [2023-08-30 12:26:58,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:26:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:26:58,222 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) [2023-08-30 12:26:58,228 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 [2023-08-30 12:26:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:26:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:26:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:26:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:26:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:26:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:26:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:26:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:26:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2023-08-30 12:26:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2023-08-30 12:26:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:26:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:26:58,259 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:26:58,415 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:26:58,420 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:26:58,587 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:26:58,594 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:26:58,594 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:26:58,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:26:58 BoogieIcfgContainer [2023-08-30 12:26:58,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:26:58,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:26:58,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:26:58,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:26:58,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:26:57" (1/3) ... [2023-08-30 12:26:58,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c6baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:26:58, skipping insertion in model container [2023-08-30 12:26:58,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:26:58" (2/3) ... [2023-08-30 12:26:58,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c6baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:26:58, skipping insertion in model container [2023-08-30 12:26:58,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:26:58" (3/3) ... [2023-08-30 12:26:58,603 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2023-08-30 12:26:58,610 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:26:58,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:26:58,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:26:58,618 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:26:58,687 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 12:26:58,693 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) [2023-08-30 12:26:58,699 INFO L158 Benchmark]: Toolchain (without parser) took 1330.33ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 29.9MB in the end (delta: 20.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-08-30 12:26:58,699 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:26:58,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.35ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 29.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-08-30 12:26:58,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.28ms. Allocated memory is still 75.5MB. Free memory was 29.1MB in the beginning and 26.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:26:58,701 INFO L158 Benchmark]: Boogie Preprocessor took 44.77ms. Allocated memory is still 75.5MB. Free memory was 26.5MB in the beginning and 53.9MB in the end (delta: -27.4MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-08-30 12:26:58,702 INFO L158 Benchmark]: RCFGBuilder took 421.92ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 38.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:26:58,702 INFO L158 Benchmark]: TraceAbstraction took 99.47ms. Allocated memory is still 75.5MB. Free memory was 37.6MB in the beginning and 29.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:26:58,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.35ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 29.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.28ms. Allocated memory is still 75.5MB. Free memory was 29.1MB in the beginning and 26.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.77ms. Allocated memory is still 75.5MB. Free memory was 26.5MB in the beginning and 53.9MB in the end (delta: -27.4MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.92ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 38.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 99.47ms. Allocated memory is still 75.5MB. Free memory was 37.6MB in the beginning and 29.9MB in the end (delta: 7.6MB). 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. [2023-08-30 12:26:58,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE