./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c --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/weaver/mult-flipped-dist.wvr.c -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 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 --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 09:13:13,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:13:13,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:13:13,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:13:13,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:13:13,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:13:13,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:13:13,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:13:13,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:13:13,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:13:13,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:13:13,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:13:13,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:13:13,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:13:13,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:13:14,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:13:14,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:13:14,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:13:14,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:13:14,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:13:14,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:13:14,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:13:14,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:13:14,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:13:14,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:13:14,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:13:14,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:13:14,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:13:14,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:13:14,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:13:14,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:13:14,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:13:14,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:13:14,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:13:14,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:13:14,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:13:14,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:13:14,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:13:14,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:13:14,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:13:14,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:13:14,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:13:14,076 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:13:14,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:13:14,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:13:14,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:13:14,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:13:14,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:13:14,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:13:14,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:13:14,080 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:13:14,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:13:14,081 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:13:14,081 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:13:14,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:13:14,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:13:14,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:13:14,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:13:14,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:13:14,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:13:14,082 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:13:14,082 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:13:14,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:13:14,083 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:13:14,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:13:14,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:13:14,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:13:14,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:13:14,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:14,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:13:14,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:13:14,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:13:14,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:13:14,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:13:14,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:13:14,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:13:14,086 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:13:14,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:13:14,086 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:13:14,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:13:14,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:13:14,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:13:14,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:13:14,438 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:13:14,438 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:13:14,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2023-08-29 09:13:15,564 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:13:15,809 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:13:15,810 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2023-08-29 09:13:15,819 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/addde899a/12a38d34af724400bfbadb7f19ca2c5a/FLAGd9f7865cb [2023-08-29 09:13:15,832 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/addde899a/12a38d34af724400bfbadb7f19ca2c5a [2023-08-29 09:13:15,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:13:15,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:13:15,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:15,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:13:15,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:13:15,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:15" (1/1) ... [2023-08-29 09:13:15,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d02017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:15, skipping insertion in model container [2023-08-29 09:13:15,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:15" (1/1) ... [2023-08-29 09:13:15,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:13:15,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:13:16,063 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2135,2148] [2023-08-29 09:13:16,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:16,085 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:13:16,122 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2135,2148] [2023-08-29 09:13:16,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:16,146 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:13:16,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16 WrapperNode [2023-08-29 09:13:16,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:16,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:16,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:13:16,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:13:16,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,201 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2023-08-29 09:13:16,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:16,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:13:16,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:13:16,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:13:16,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,247 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:13:16,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:13:16,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:13:16,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:13:16,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (1/1) ... [2023-08-29 09:13:16,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:16,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:13:16,289 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 09:13:16,329 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 09:13:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:13:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:13:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:13:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:13:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:13:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:13:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:13:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:13:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:13:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:13:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:13:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:13:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:13:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:13:16,384 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 09:13:16,499 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:13:16,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:16,863 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:16,870 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:16,871 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 09:13:16,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:16 BoogieIcfgContainer [2023-08-29 09:13:16,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:16,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:16,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:16,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:16,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:13:15" (1/3) ... [2023-08-29 09:13:16,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4794c60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:16, skipping insertion in model container [2023-08-29 09:13:16,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:16" (2/3) ... [2023-08-29 09:13:16,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4794c60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:16, skipping insertion in model container [2023-08-29 09:13:16,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:16" (3/3) ... [2023-08-29 09:13:16,895 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2023-08-29 09:13:16,902 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:16,915 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:16,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-29 09:13:16,915 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:17,049 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 09:13:17,059 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 09:13:17,065 INFO L158 Benchmark]: Toolchain (without parser) took 1225.16ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 45.7MB in the end (delta: 4.3MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-08-29 09:13:17,066 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:17,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.30ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 38.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:17,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.69ms. Allocated memory is still 71.3MB. Free memory was 37.8MB in the beginning and 36.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:17,068 INFO L158 Benchmark]: Boogie Preprocessor took 53.52ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 34.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:17,069 INFO L158 Benchmark]: RCFGBuilder took 630.59ms. Allocated memory is still 71.3MB. Free memory was 34.4MB in the beginning and 35.7MB in the end (delta: -1.3MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-08-29 09:13:17,069 INFO L158 Benchmark]: TraceAbstraction took 174.14ms. Allocated memory is still 71.3MB. Free memory was 34.9MB in the beginning and 45.7MB in the end (delta: -10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 09:13:17,077 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 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.30ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 38.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.69ms. Allocated memory is still 71.3MB. Free memory was 37.8MB in the beginning and 36.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.52ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 34.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 630.59ms. Allocated memory is still 71.3MB. Free memory was 34.4MB in the beginning and 35.7MB in the end (delta: -1.3MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * TraceAbstraction took 174.14ms. Allocated memory is still 71.3MB. Free memory was 34.9MB in the beginning and 45.7MB in the end (delta: -10.7MB). Peak memory consumption was 10.5MB. 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 09:13:17,103 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/weaver/mult-flipped-dist.wvr.c -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 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 --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 09:13:19,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:13:19,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:13:19,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:13:19,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:13:19,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:13:19,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:13:19,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:13:19,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:13:19,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:13:19,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:13:19,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:13:19,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:13:19,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:13:19,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:13:19,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:13:19,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:13:19,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:13:19,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:13:19,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:13:19,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:13:19,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:13:19,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:13:19,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:13:19,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:13:19,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:13:19,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:13:19,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:13:19,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:13:19,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:13:19,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:13:19,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:13:19,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:13:19,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:13:19,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:13:19,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:13:19,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:13:19,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:13:19,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:13:19,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:13:19,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:13:19,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:13:19,161 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:13:19,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:13:19,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:13:19,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:13:19,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:13:19,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:13:19,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:13:19,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:13:19,166 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:13:19,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:13:19,167 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:13:19,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:13:19,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:13:19,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:13:19,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:13:19,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:13:19,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:13:19,168 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:13:19,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:13:19,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:13:19,168 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:13:19,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:13:19,169 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:13:19,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:13:19,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:13:19,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:13:19,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:13:19,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:19,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:13:19,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:13:19,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:13:19,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:13:19,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:13:19,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:13:19,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:13:19,172 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:13:19,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:13:19,172 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:13:19,172 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:13:19,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:13:19,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:13:19,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:13:19,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:13:19,528 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:13:19,528 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:13:19,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2023-08-29 09:13:20,721 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:13:20,974 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:13:20,974 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2023-08-29 09:13:20,984 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a396fe94/ab3898c7072a4aae91eb6555d6264c72/FLAG70b826fcb [2023-08-29 09:13:21,010 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a396fe94/ab3898c7072a4aae91eb6555d6264c72 [2023-08-29 09:13:21,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:13:21,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:13:21,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:21,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:13:21,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:13:21,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bcf30f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21, skipping insertion in model container [2023-08-29 09:13:21,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:13:21,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:13:21,239 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2135,2148] [2023-08-29 09:13:21,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:21,259 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:13:21,306 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2135,2148] [2023-08-29 09:13:21,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:21,330 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:13:21,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21 WrapperNode [2023-08-29 09:13:21,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:21,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:21,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:13:21,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:13:21,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,380 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2023-08-29 09:13:21,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:21,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:13:21,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:13:21,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:13:21,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:13:21,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:13:21,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:13:21,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:13:21,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (1/1) ... [2023-08-29 09:13:21,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:21,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:13:21,453 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 09:13:21,460 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 09:13:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:13:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:13:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:13:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:13:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:13:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:13:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:13:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:13:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:13:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:13:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:13:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:13:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:13:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:13:21,487 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 09:13:21,665 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:13:21,678 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:22,031 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:22,042 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:22,042 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 09:13:22,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:22 BoogieIcfgContainer [2023-08-29 09:13:22,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:22,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:22,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:22,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:22,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:13:21" (1/3) ... [2023-08-29 09:13:22,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574ef6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:22, skipping insertion in model container [2023-08-29 09:13:22,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:21" (2/3) ... [2023-08-29 09:13:22,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574ef6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:22, skipping insertion in model container [2023-08-29 09:13:22,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:22" (3/3) ... [2023-08-29 09:13:22,054 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2023-08-29 09:13:22,062 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:22,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:22,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-29 09:13:22,071 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:22,190 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 09:13:22,196 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 09:13:22,202 INFO L158 Benchmark]: Toolchain (without parser) took 1186.15ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 33.2MB in the end (delta: 26.5MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2023-08-29 09:13:22,203 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:22,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.93ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 47.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:22,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.20ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 46.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:22,205 INFO L158 Benchmark]: Boogie Preprocessor took 33.08ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 44.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:22,206 INFO L158 Benchmark]: RCFGBuilder took 630.14ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 47.2MB in the end (delta: -3.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-08-29 09:13:22,206 INFO L158 Benchmark]: TraceAbstraction took 152.09ms. Allocated memory is still 81.8MB. Free memory was 46.3MB in the beginning and 33.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:22,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.93ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 47.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.20ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 46.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.08ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 44.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 630.14ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 47.2MB in the end (delta: -3.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * TraceAbstraction took 152.09ms. Allocated memory is still 81.8MB. Free memory was 46.3MB in the beginning and 33.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. 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 09:13:22,239 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