./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b90ecb07ae966182b79ce4444e238e18068c02297f514a326dfeeed6dbb5499 --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 09:10:27,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:10:27,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:10:27,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:10:27,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:10:27,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:10:27,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:10:27,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:10:27,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:10:27,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:10:27,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:10:27,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:10:27,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:10:27,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:10:27,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:10:27,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:10:27,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:10:27,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:10:27,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:10:27,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:10:27,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:10:27,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:10:27,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:10:27,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:10:27,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:10:27,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:10:27,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:10:27,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:10:27,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:10:27,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:10:27,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:10:27,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:10:27,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:10:27,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:10:27,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:10:27,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:10:27,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:10:27,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:10:27,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:10:27,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:10:27,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:10:27,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:10:27,669 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:10:27,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:10:27,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:10:27,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:10:27,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:10:27,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:10:27,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:10:27,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:10:27,673 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:10:27,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:10:27,674 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:10:27,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:10:27,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:10:27,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:10:27,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:10:27,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:10:27,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:10:27,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:10:27,676 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:10:27,676 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:10:27,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:10:27,676 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:10:27,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:10:27,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:10:27,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:10:27,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:10:27,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:10:27,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:10:27,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:10:27,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:10:27,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:10:27,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:10:27,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:10:27,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:10:27,679 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:10:27,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:10:27,679 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:10:27,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b90ecb07ae966182b79ce4444e238e18068c02297f514a326dfeeed6dbb5499 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:10:28,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:10:28,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:10:28,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:10:28,021 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:10:28,022 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:10:28,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2023-08-29 09:10:29,268 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:10:29,548 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:10:29,549 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2023-08-29 09:10:29,564 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7233cb567/96a7162e7fa44dd4a38c004909fd05f4/FLAGa2768445d [2023-08-29 09:10:29,576 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7233cb567/96a7162e7fa44dd4a38c004909fd05f4 [2023-08-29 09:10:29,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:10:29,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:10:29,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:10:29,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:10:29,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:10:29,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:10:29" (1/1) ... [2023-08-29 09:10:29,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8537fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:29, skipping insertion in model container [2023-08-29 09:10:29,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:10:29" (1/1) ... [2023-08-29 09:10:29,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:10:29,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:10:30,051 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i[41323,41336] [2023-08-29 09:10:30,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:10:30,103 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:10:30,149 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i[41323,41336] [2023-08-29 09:10:30,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:10:30,259 WARN L667 CHandler]: The function g is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:10:30,264 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:10:30,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30 WrapperNode [2023-08-29 09:10:30,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:10:30,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:10:30,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:10:30,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:10:30,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,333 INFO L138 Inliner]: procedures = 273, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 147 [2023-08-29 09:10:30,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:10:30,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:10:30,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:10:30,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:10:30,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,357 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:10:30,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:10:30,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:10:30,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:10:30,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (1/1) ... [2023-08-29 09:10:30,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:10:30,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:10:30,406 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 09:10:30,424 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 09:10:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 09:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 09:10:30,446 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 09:10:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:10:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:10:30,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:10:30,447 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 09:10:30,635 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:10:30,637 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:10:30,881 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:10:30,888 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:10:30,889 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-08-29 09:10:30,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:10:30 BoogieIcfgContainer [2023-08-29 09:10:30,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:10:30,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:10:30,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:10:30,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:10:30,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:10:29" (1/3) ... [2023-08-29 09:10:30,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6809d29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:10:30, skipping insertion in model container [2023-08-29 09:10:30,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:30" (2/3) ... [2023-08-29 09:10:30,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6809d29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:10:30, skipping insertion in model container [2023-08-29 09:10:30,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:10:30" (3/3) ... [2023-08-29 09:10:30,899 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_28-funptr_racefree.i [2023-08-29 09:10:30,905 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:10:30,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:10:30,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-29 09:10:30,912 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:10:30,974 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 09:10:30,983 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 09:10:30,987 INFO L158 Benchmark]: Toolchain (without parser) took 1407.49ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 39.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-08-29 09:10:30,988 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:10:30,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.26ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 47.0MB in the end (delta: 8.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-08-29 09:10:30,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.56ms. Allocated memory is still 79.7MB. Free memory was 47.0MB in the beginning and 44.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:10:30,990 INFO L158 Benchmark]: Boogie Preprocessor took 26.08ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 42.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:10:30,990 INFO L158 Benchmark]: RCFGBuilder took 529.56ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 48.1MB in the end (delta: -5.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-08-29 09:10:30,991 INFO L158 Benchmark]: TraceAbstraction took 93.96ms. Allocated memory is still 79.7MB. Free memory was 47.7MB in the beginning and 39.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 09:10:30,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 685.26ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 47.0MB in the end (delta: 8.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.56ms. Allocated memory is still 79.7MB. Free memory was 47.0MB in the beginning and 44.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.08ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 42.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 529.56ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 48.1MB in the end (delta: -5.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 93.96ms. Allocated memory is still 79.7MB. Free memory was 47.7MB in the beginning and 39.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:10:31,012 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/goblint-regression/28-race_reach_28-funptr_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b90ecb07ae966182b79ce4444e238e18068c02297f514a326dfeeed6dbb5499 --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 09:10:32,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:10:32,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:10:32,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:10:32,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:10:32,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:10:32,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:10:32,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:10:32,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:10:32,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:10:32,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:10:32,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:10:32,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:10:32,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:10:32,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:10:32,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:10:32,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:10:32,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:10:32,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:10:32,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:10:32,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:10:32,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:10:32,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:10:32,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:10:32,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:10:32,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:10:32,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:10:32,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:10:32,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:10:32,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:10:32,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:10:32,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:10:32,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:10:32,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:10:32,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:10:32,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:10:32,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:10:32,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:10:32,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:10:32,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:10:32,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:10:32,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:10:32,994 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:10:32,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:10:32,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:10:32,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:10:32,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:10:32,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:10:32,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:10:32,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:10:32,998 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:10:32,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:10:32,999 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:10:32,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:10:33,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:10:33,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:10:33,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:10:33,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:10:33,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:10:33,001 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:10:33,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:10:33,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:10:33,001 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:10:33,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:10:33,001 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:10:33,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:10:33,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:10:33,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:10:33,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:10:33,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:10:33,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:10:33,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:10:33,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:10:33,003 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:10:33,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:10:33,004 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:10:33,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:10:33,004 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:10:33,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:10:33,005 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:10:33,005 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:10:33,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b90ecb07ae966182b79ce4444e238e18068c02297f514a326dfeeed6dbb5499 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:10:33,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:10:33,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:10:33,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:10:33,339 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:10:33,340 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:10:33,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2023-08-29 09:10:34,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:10:34,892 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:10:34,893 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2023-08-29 09:10:34,915 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bf56ced/b0b51dcfac664181a14ae93b22f4e029/FLAG468569fa5 [2023-08-29 09:10:34,937 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bf56ced/b0b51dcfac664181a14ae93b22f4e029 [2023-08-29 09:10:34,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:10:34,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:10:34,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:10:34,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:10:34,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:10:34,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:10:34" (1/1) ... [2023-08-29 09:10:34,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cc4dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:34, skipping insertion in model container [2023-08-29 09:10:34,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:10:34" (1/1) ... [2023-08-29 09:10:34,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:10:35,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:10:35,454 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i[41323,41336] [2023-08-29 09:10:35,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:10:35,503 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:10:35,536 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i[41323,41336] [2023-08-29 09:10:35,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:10:35,610 WARN L667 CHandler]: The function g is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:10:35,616 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:10:35,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35 WrapperNode [2023-08-29 09:10:35,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:10:35,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:10:35,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:10:35,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:10:35,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,680 INFO L138 Inliner]: procedures = 277, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 148 [2023-08-29 09:10:35,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:10:35,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:10:35,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:10:35,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:10:35,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,717 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:10:35,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:10:35,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:10:35,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:10:35,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (1/1) ... [2023-08-29 09:10:35,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:10:35,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:10:35,770 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 09:10:35,798 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 09:10:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:10:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:10:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:10:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:10:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:10:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-29 09:10:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 09:10:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:10:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 09:10:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 09:10:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:10:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:10:35,818 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 09:10:35,969 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:10:35,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:10:36,325 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:10:36,332 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:10:36,333 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-08-29 09:10:36,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:10:36 BoogieIcfgContainer [2023-08-29 09:10:36,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:10:36,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:10:36,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:10:36,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:10:36,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:10:34" (1/3) ... [2023-08-29 09:10:36,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd08197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:10:36, skipping insertion in model container [2023-08-29 09:10:36,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:10:35" (2/3) ... [2023-08-29 09:10:36,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd08197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:10:36, skipping insertion in model container [2023-08-29 09:10:36,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:10:36" (3/3) ... [2023-08-29 09:10:36,361 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_28-funptr_racefree.i [2023-08-29 09:10:36,367 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:10:36,376 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:10:36,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-29 09:10:36,376 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:10:36,440 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 09:10:36,446 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 09:10:36,457 INFO L158 Benchmark]: Toolchain (without parser) took 1515.27ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 58.2MB in the end (delta: 12.3MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-08-29 09:10:36,458 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:10:36,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.82ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 62.2MB in the end (delta: 8.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-08-29 09:10:36,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.80ms. Allocated memory is still 94.4MB. Free memory was 62.2MB in the beginning and 59.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:10:36,459 INFO L158 Benchmark]: Boogie Preprocessor took 40.42ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:10:36,460 INFO L158 Benchmark]: RCFGBuilder took 610.16ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 37.1MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 09:10:36,460 INFO L158 Benchmark]: TraceAbstraction took 118.94ms. Allocated memory is still 94.4MB. Free memory was 36.4MB in the beginning and 58.2MB in the end (delta: -21.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-08-29 09:10:36,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 672.82ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 62.2MB in the end (delta: 8.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.80ms. Allocated memory is still 94.4MB. Free memory was 62.2MB in the beginning and 59.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.42ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.16ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 37.1MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 118.94ms. Allocated memory is still 94.4MB. Free memory was 36.4MB in the beginning and 58.2MB in the end (delta: -21.8MB). Peak memory consumption was 4.9MB. 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 09:10:36,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE