./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_46-escape_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:31:12,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:31:12,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:31:12,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:31:12,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:31:12,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:31:12,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:31:12,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:31:12,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:31:12,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:31:12,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:31:12,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:31:12,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:31:12,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:31:12,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:31:12,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:31:12,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:31:12,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:31:12,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:31:12,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:31:12,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:31:12,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:31:12,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:31:12,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:31:12,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:31:12,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:31:12,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:31:12,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:31:12,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:31:12,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:31:12,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:31:12,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:31:12,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:31:12,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:31:12,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:31:12,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:31:12,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:31:12,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:31:12,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:31:12,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:31:12,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:31:12,173 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:31:12,199 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:31:12,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:31:12,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:31:12,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:31:12,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:31:12,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:31:12,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:31:12,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:31:12,201 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:31:12,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:31:12,202 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:31:12,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:31:12,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:31:12,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:31:12,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:31:12,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:31:12,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:31:12,203 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:31:12,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:31:12,203 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:31:12,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:31:12,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:31:12,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:31:12,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:31:12,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:31:12,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:31:12,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:31:12,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:31:12,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:31:12,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:31:12,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:31:12,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:31:12,205 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:31:12,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:31:12,206 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:31:12,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:31:12,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:31:12,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:31:12,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:31:12,439 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:31:12,439 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:31:12,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2023-08-30 22:31:13,535 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:31:13,729 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:31:13,729 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2023-08-30 22:31:13,738 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c50620a7/2b7ec4366f004e5596a18a9f2de39263/FLAGe5446449a [2023-08-30 22:31:13,748 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c50620a7/2b7ec4366f004e5596a18a9f2de39263 [2023-08-30 22:31:13,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:31:13,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:31:13,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:31:13,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:31:13,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:31:13,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:31:13" (1/1) ... [2023-08-30 22:31:13,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9d8f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:13, skipping insertion in model container [2023-08-30 22:31:13,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:31:13" (1/1) ... [2023-08-30 22:31:13,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:31:13,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:31:14,012 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_46-escape_racefree.i[30176,30189] [2023-08-30 22:31:14,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:31:14,042 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:31:14,081 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_46-escape_racefree.i[30176,30189] [2023-08-30 22:31:14,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:31:14,131 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:31:14,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14 WrapperNode [2023-08-30 22:31:14,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:31:14,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:31:14,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:31:14,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:31:14,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,183 INFO L138 Inliner]: procedures = 170, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2023-08-30 22:31:14,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:31:14,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:31:14,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:31:14,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:31:14,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,210 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:31:14,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:31:14,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:31:14,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:31:14,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (1/1) ... [2023-08-30 22:31:14,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:31:14,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:31:14,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:31:14,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:31:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:31:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:31:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:31:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:31:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:31:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 22:31:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 22:31:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:31:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:31:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:31:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:31:14,270 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:31:14,406 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:31:14,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:31:14,585 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:31:14,590 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:31:14,590 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-30 22:31:14,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:31:14 BoogieIcfgContainer [2023-08-30 22:31:14,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:31:14,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:31:14,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:31:14,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:31:14,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:31:13" (1/3) ... [2023-08-30 22:31:14,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c4b27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:31:14, skipping insertion in model container [2023-08-30 22:31:14,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:14" (2/3) ... [2023-08-30 22:31:14,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c4b27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:31:14, skipping insertion in model container [2023-08-30 22:31:14,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:31:14" (3/3) ... [2023-08-30 22:31:14,599 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2023-08-30 22:31:14,604 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:31:14,609 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:31:14,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:31:14,610 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:31:14,657 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 22:31:14,666 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:31:14,669 INFO L158 Benchmark]: Toolchain (without parser) took 914.64ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 39.0MB in the end (delta: 8.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-08-30 22:31:14,669 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:31:14,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.08ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 44.7MB in the end (delta: 2.8MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-08-30 22:31:14,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.78ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 42.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:31:14,671 INFO L158 Benchmark]: Boogie Preprocessor took 28.14ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 40.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:31:14,671 INFO L158 Benchmark]: RCFGBuilder took 380.41ms. Allocated memory is still 71.3MB. Free memory was 40.9MB in the beginning and 46.4MB in the end (delta: -5.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-08-30 22:31:14,671 INFO L158 Benchmark]: TraceAbstraction took 73.71ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 39.0MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:31:14,673 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 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.08ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 44.7MB in the end (delta: 2.8MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.78ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 42.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.14ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 40.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.41ms. Allocated memory is still 71.3MB. Free memory was 40.9MB in the beginning and 46.4MB in the end (delta: -5.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 73.71ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 39.0MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:31:14,687 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 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_46-escape_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:31:16,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:31:16,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:31:16,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:31:16,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:31:16,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:31:16,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:31:16,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:31:16,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:31:16,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:31:16,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:31:16,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:31:16,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:31:16,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:31:16,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:31:16,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:31:16,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:31:16,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:31:16,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:31:16,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:31:16,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:31:16,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:31:16,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:31:16,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:31:16,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:31:16,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:31:16,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:31:16,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:31:16,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:31:16,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:31:16,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:31:16,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:31:16,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:31:16,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:31:16,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:31:16,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:31:16,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:31:16,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:31:16,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:31:16,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:31:16,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:31:16,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:31:16,613 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:31:16,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:31:16,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:31:16,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:31:16,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:31:16,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:31:16,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:31:16,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:31:16,616 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:31:16,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:31:16,617 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:31:16,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:31:16,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:31:16,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:31:16,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:31:16,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:31:16,618 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:31:16,618 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:31:16,618 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:31:16,618 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:31:16,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:31:16,619 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:31:16,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:31:16,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:31:16,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:31:16,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:31:16,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:31:16,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:31:16,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:31:16,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:31:16,620 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:31:16,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:31:16,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:31:16,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:31:16,621 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:31:16,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:31:16,621 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:31:16,621 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:31:16,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:31:16,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:31:16,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:31:16,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:31:16,887 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:31:16,887 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:31:16,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2023-08-30 22:31:17,833 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:31:18,124 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:31:18,124 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2023-08-30 22:31:18,143 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2103d7aaa/64de584d70644d719f866181612326a2/FLAG4fd79abc7 [2023-08-30 22:31:18,153 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2103d7aaa/64de584d70644d719f866181612326a2 [2023-08-30 22:31:18,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:31:18,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:31:18,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:31:18,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:31:18,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:31:18,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676a9ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18, skipping insertion in model container [2023-08-30 22:31:18,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:31:18,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:31:18,469 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_46-escape_racefree.i[30176,30189] [2023-08-30 22:31:18,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:31:18,503 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 22:31:18,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:31:18,534 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_46-escape_racefree.i[30176,30189] [2023-08-30 22:31:18,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:31:18,553 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:31:18,603 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_46-escape_racefree.i[30176,30189] [2023-08-30 22:31:18,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:31:18,668 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:31:18,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18 WrapperNode [2023-08-30 22:31:18,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:31:18,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:31:18,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:31:18,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:31:18,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,717 INFO L138 Inliner]: procedures = 174, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-08-30 22:31:18,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:31:18,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:31:18,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:31:18,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:31:18,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,762 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:31:18,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:31:18,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:31:18,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:31:18,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (1/1) ... [2023-08-30 22:31:18,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:31:18,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:31:18,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:31:18,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:31:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:31:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:31:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:31:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:31:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 22:31:18,869 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 22:31:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:31:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:31:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:31:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:31:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:31:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:31:18,871 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:31:18,959 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:31:18,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:31:19,204 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:31:19,209 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:31:19,209 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-30 22:31:19,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:31:19 BoogieIcfgContainer [2023-08-30 22:31:19,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:31:19,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:31:19,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:31:19,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:31:19,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:31:18" (1/3) ... [2023-08-30 22:31:19,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffc524a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:31:19, skipping insertion in model container [2023-08-30 22:31:19,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:18" (2/3) ... [2023-08-30 22:31:19,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffc524a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:31:19, skipping insertion in model container [2023-08-30 22:31:19,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:31:19" (3/3) ... [2023-08-30 22:31:19,216 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2023-08-30 22:31:19,221 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:31:19,227 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:31:19,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:31:19,227 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:31:19,272 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 22:31:19,292 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:31:19,295 INFO L158 Benchmark]: Toolchain (without parser) took 1138.52ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 34.1MB in the end (delta: 12.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-08-30 22:31:19,295 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:31:19,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.44ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 43.6MB in the end (delta: 2.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-08-30 22:31:19,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.85ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 41.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:31:19,297 INFO L158 Benchmark]: Boogie Preprocessor took 58.76ms. Allocated memory is still 71.3MB. Free memory was 41.5MB in the beginning and 39.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:31:19,298 INFO L158 Benchmark]: RCFGBuilder took 432.39ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 44.9MB in the end (delta: -5.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-08-30 22:31:19,298 INFO L158 Benchmark]: TraceAbstraction took 82.50ms. Allocated memory is still 71.3MB. Free memory was 44.2MB in the beginning and 34.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:31:19,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.44ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 43.6MB in the end (delta: 2.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.85ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 41.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.76ms. Allocated memory is still 71.3MB. Free memory was 41.5MB in the beginning and 39.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.39ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 44.9MB in the end (delta: -5.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * TraceAbstraction took 82.50ms. Allocated memory is still 71.3MB. Free memory was 44.2MB in the beginning and 34.1MB in the end (delta: 10.1MB). 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. [2023-08-30 22:31:19,336 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