./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --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 01:57:18,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:57:18,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:57:18,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:57:18,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:57:18,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:57:18,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:57:18,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:57:18,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:57:18,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:57:18,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:57:18,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:57:18,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:57:18,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:57:18,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:57:18,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:57:18,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:57:18,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:57:18,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:57:18,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:57:18,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:57:18,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:57:18,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:57:18,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:57:18,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:57:18,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:57:18,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:57:18,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:57:18,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:57:18,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:57:18,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:57:18,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:57:18,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:57:18,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:57:18,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:57:18,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:57:18,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:57:18,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:57:18,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:57:18,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:57:18,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:57:18,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:57:18,704 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:57:18,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:57:18,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:57:18,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:57:18,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:57:18,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:57:18,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:57:18,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:57:18,708 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:57:18,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:57:18,709 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:57:18,709 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:57:18,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:57:18,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:57:18,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:57:18,710 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:57:18,710 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:57:18,710 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:57:18,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:57:18,711 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:57:18,711 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:57:18,711 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:57:18,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:57:18,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:57:18,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:57:18,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:18,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:57:18,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:57:18,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:57:18,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:57:18,713 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:57:18,713 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:57:18,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:57:18,713 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:57:18,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:19,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:19,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:19,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:19,078 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:19,078 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:19,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2023-08-30 01:57:20,269 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:20,600 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:20,601 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2023-08-30 01:57:20,616 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f9f5bac/e9a03d6694394331bbad00616b77533a/FLAGf9bb69d17 [2023-08-30 01:57:20,634 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f9f5bac/e9a03d6694394331bbad00616b77533a [2023-08-30 01:57:20,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:20,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:20,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:20,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:20,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:20,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:20" (1/1) ... [2023-08-30 01:57:20,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7589361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:20, skipping insertion in model container [2023-08-30 01:57:20,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:20" (1/1) ... [2023-08-30 01:57:20,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:20,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:21,433 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2023-08-30 01:57:21,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:21,497 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:21,532 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2023-08-30 01:57:21,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:21,659 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:21,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21 WrapperNode [2023-08-30 01:57:21,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:21,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:21,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:21,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:21,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,720 INFO L138 Inliner]: procedures = 486, calls = 43, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 205 [2023-08-30 01:57:21,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:21,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:21,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:21,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:21,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:21,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:21,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:21,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:21,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (1/1) ... [2023-08-30 01:57:21,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:21,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:21,792 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 01:57:21,798 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 [2023-08-30 01:57:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2023-08-30 01:57:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2023-08-30 01:57:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:57:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2023-08-30 01:57:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2023-08-30 01:57:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:57:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 01:57:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:57:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:57:21,822 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 01:57:22,101 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:22,103 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:57:22,427 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:57:22,435 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:57:22,438 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 01:57:22,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:22 BoogieIcfgContainer [2023-08-30 01:57:22,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:57:22,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:57:22,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:57:22,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:57:22,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:20" (1/3) ... [2023-08-30 01:57:22,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287726b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:22, skipping insertion in model container [2023-08-30 01:57:22,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:21" (2/3) ... [2023-08-30 01:57:22,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287726b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:22, skipping insertion in model container [2023-08-30 01:57:22,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:22" (3/3) ... [2023-08-30 01:57:22,451 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2023-08-30 01:57:22,467 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:57:22,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-08-30 01:57:22,467 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:57:22,569 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-08-30 01:57:22,575 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 01:57:22,581 INFO L158 Benchmark]: Toolchain (without parser) took 1941.89ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 47.2MB in the beginning and 41.7MB in the end (delta: 5.5MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-08-30 01:57:22,581 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 73.4MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:57:22,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1018.79ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 47.0MB in the beginning and 61.0MB in the end (delta: -14.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-08-30 01:57:22,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.28ms. Allocated memory is still 96.5MB. Free memory was 61.0MB in the beginning and 57.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:22,583 INFO L158 Benchmark]: Boogie Preprocessor took 38.04ms. Allocated memory is still 96.5MB. Free memory was 57.3MB in the beginning and 54.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:22,584 INFO L158 Benchmark]: RCFGBuilder took 681.94ms. Allocated memory is still 96.5MB. Free memory was 54.4MB in the beginning and 55.8MB in the end (delta: -1.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-08-30 01:57:22,585 INFO L158 Benchmark]: TraceAbstraction took 135.16ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 41.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 01:57:22,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 73.4MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1018.79ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 47.0MB in the beginning and 61.0MB in the end (delta: -14.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.28ms. Allocated memory is still 96.5MB. Free memory was 61.0MB in the beginning and 57.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.04ms. Allocated memory is still 96.5MB. Free memory was 57.3MB in the beginning and 54.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.94ms. Allocated memory is still 96.5MB. Free memory was 54.4MB in the beginning and 55.8MB in the end (delta: -1.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * TraceAbstraction took 135.16ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 41.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:57:22,618 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --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 01:57:24,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:57:24,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:57:24,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:57:24,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:57:24,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:57:24,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:57:24,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:57:24,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:57:24,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:57:24,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:57:24,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:57:24,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:57:24,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:57:24,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:57:24,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:57:24,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:57:24,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:57:24,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:57:24,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:57:24,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:57:24,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:57:24,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:57:24,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:57:24,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:57:24,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:57:24,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:57:24,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:57:24,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:57:24,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:57:24,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:57:24,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:57:24,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:57:24,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:57:24,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:57:24,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:57:24,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:57:24,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:57:24,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:57:24,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:57:24,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:57:24,599 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:57:24,617 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:57:24,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:57:24,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:57:24,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:57:24,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:57:24,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:57:24,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:57:24,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:57:24,619 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:57:24,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:57:24,619 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:57:24,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:57:24,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:57:24,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:57:24,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:57:24,620 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:57:24,620 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:57:24,620 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:57:24,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:57:24,620 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:57:24,620 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:57:24,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:57:24,620 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:57:24,620 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:57:24,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:57:24,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:57:24,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:57:24,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:24,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:57:24,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:57:24,622 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:57:24,622 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:57:24,622 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:57:24,622 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:57:24,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:57:24,623 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:57:24,623 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:57:24,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:24,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:24,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:24,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:24,930 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:24,930 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:24,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2023-08-30 01:57:26,101 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:26,440 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:26,440 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2023-08-30 01:57:26,458 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92fd86a2e/b3a3b04524ab40c687d6f0f771396439/FLAG70ab01de6 [2023-08-30 01:57:26,473 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92fd86a2e/b3a3b04524ab40c687d6f0f771396439 [2023-08-30 01:57:26,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:26,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:26,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:26,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:26,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:26,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:26" (1/1) ... [2023-08-30 01:57:26,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad37df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:26, skipping insertion in model container [2023-08-30 01:57:26,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:26" (1/1) ... [2023-08-30 01:57:26,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:26,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:27,039 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2023-08-30 01:57:27,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:27,106 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:27,152 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2023-08-30 01:57:27,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:27,316 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:27,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27 WrapperNode [2023-08-30 01:57:27,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:27,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:27,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:27,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:27,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,401 INFO L138 Inliner]: procedures = 490, calls = 43, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 199 [2023-08-30 01:57:27,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:27,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:27,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:27,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:27,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:27,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:27,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:27,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:27,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (1/1) ... [2023-08-30 01:57:27,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:27,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:27,524 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 01:57:27,546 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 01:57:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2023-08-30 01:57:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2023-08-30 01:57:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:57:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 01:57:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2023-08-30 01:57:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2023-08-30 01:57:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:57:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 01:57:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:57:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:57:27,567 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 01:57:27,921 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:27,924 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:57:28,275 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:57:28,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:57:28,283 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 01:57:28,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:28 BoogieIcfgContainer [2023-08-30 01:57:28,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:57:28,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:57:28,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:57:28,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:57:28,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:26" (1/3) ... [2023-08-30 01:57:28,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae1de92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:28, skipping insertion in model container [2023-08-30 01:57:28,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:27" (2/3) ... [2023-08-30 01:57:28,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae1de92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:28, skipping insertion in model container [2023-08-30 01:57:28,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:28" (3/3) ... [2023-08-30 01:57:28,293 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2023-08-30 01:57:28,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:57:28,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-08-30 01:57:28,308 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:57:28,425 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-08-30 01:57:28,431 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 01:57:28,437 INFO L158 Benchmark]: Toolchain (without parser) took 1959.55ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 42.6MB in the beginning and 56.4MB in the end (delta: -13.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2023-08-30 01:57:28,437 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:57:28,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.83ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 42.4MB in the beginning and 57.1MB in the end (delta: -14.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-08-30 01:57:28,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.07ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 53.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:28,439 INFO L158 Benchmark]: Boogie Preprocessor took 90.54ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 49.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:28,440 INFO L158 Benchmark]: RCFGBuilder took 791.55ms. Allocated memory is still 100.7MB. Free memory was 49.4MB in the beginning and 44.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-08-30 01:57:28,441 INFO L158 Benchmark]: TraceAbstraction took 147.82ms. Allocated memory is still 100.7MB. Free memory was 44.1MB in the beginning and 56.4MB in the end (delta: -12.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-08-30 01:57:28,448 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 69.2MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.83ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 42.4MB in the beginning and 57.1MB in the end (delta: -14.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.07ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 53.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.54ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 49.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 791.55ms. Allocated memory is still 100.7MB. Free memory was 49.4MB in the beginning and 44.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * TraceAbstraction took 147.82ms. Allocated memory is still 100.7MB. Free memory was 44.1MB in the beginning and 56.4MB in the end (delta: -12.3MB). Peak memory consumption was 2.9MB. 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. [2023-08-30 01:57:28,475 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