./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-complex/safestack_relacy.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/pthread-complex/safestack_relacy.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 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 --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 01:57:33,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:57:33,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:57:33,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:57:33,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:57:33,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:57:33,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:57:33,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:57:33,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:57:33,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:57:33,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:57:33,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:57:33,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:57:33,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:57:33,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:57:33,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:57:33,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:57:33,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:57:33,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:57:33,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:57:33,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:57:33,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:57:33,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:57:33,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:57:33,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:57:33,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:57:33,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:57:33,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:57:33,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:57:33,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:57:33,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:57:33,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:57:33,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:57:33,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:57:33,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:57:33,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:57:33,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:57:33,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:57:33,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:57:33,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:57:33,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:57:33,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:57:33,331 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:57:33,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:57:33,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:57:33,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:57:33,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:57:33,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:57:33,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:57:33,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:57:33,334 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:57:33,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:57:33,334 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:57:33,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:57:33,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:57:33,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:57:33,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:57:33,336 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:57:33,336 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:57:33,336 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:57:33,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:57:33,336 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:57:33,337 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:57:33,337 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:57:33,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:57:33,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:57:33,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:57:33,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:33,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:57:33,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:57:33,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:57:33,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:57:33,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:57:33,339 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:57:33,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:57:33,339 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:57:33,340 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:33,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:33,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:33,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:33,680 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:33,681 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:33,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/safestack_relacy.i [2023-08-30 01:57:34,957 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:35,301 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:35,302 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/safestack_relacy.i [2023-08-30 01:57:35,330 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9338cc116/306dd5073f8346778920124eb2b8007a/FLAG88d5dd7c2 [2023-08-30 01:57:35,347 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9338cc116/306dd5073f8346778920124eb2b8007a [2023-08-30 01:57:35,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:35,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:35,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:35,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:35,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:35,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:35" (1/1) ... [2023-08-30 01:57:35,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a9255d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:35, skipping insertion in model container [2023-08-30 01:57:35,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:35" (1/1) ... [2023-08-30 01:57:35,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:35,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:36,110 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/safestack_relacy.i[78860,78873] [2023-08-30 01:57:36,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:36,128 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:36,205 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/safestack_relacy.i[78860,78873] [2023-08-30 01:57:36,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:36,331 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:36,331 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:36,337 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:36,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36 WrapperNode [2023-08-30 01:57:36,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:36,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:36,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:36,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:36,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,446 INFO L138 Inliner]: procedures = 481, calls = 74, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 283 [2023-08-30 01:57:36,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:36,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:36,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:36,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:36,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:36,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:36,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:36,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:36,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:36,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:36,574 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 01:57:36,595 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 01:57:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:57:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:57:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:57:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-08-30 01:57:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-08-30 01:57:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:36,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:57:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:57:36,622 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 01:57:36,949 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:36,951 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:57:37,395 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:57:37,532 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:57:37,533 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-08-30 01:57:37,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:37 BoogieIcfgContainer [2023-08-30 01:57:37,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:57:37,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:57:37,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:57:37,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:57:37,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:35" (1/3) ... [2023-08-30 01:57:37,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7677afe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:37, skipping insertion in model container [2023-08-30 01:57:37,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (2/3) ... [2023-08-30 01:57:37,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7677afe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:37, skipping insertion in model container [2023-08-30 01:57:37,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:37" (3/3) ... [2023-08-30 01:57:37,545 INFO L112 eAbstractionObserver]: Analyzing ICFG safestack_relacy.i [2023-08-30 01:57:37,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:57:37,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2023-08-30 01:57:37,561 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:57:37,694 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 01:57:37,706 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 01:57:37,712 INFO L158 Benchmark]: Toolchain (without parser) took 2359.96ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 64.1MB in the beginning and 82.0MB in the end (delta: -18.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:37,713 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 35.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:57:37,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 986.05ms. Allocated memory is still 90.2MB. Free memory was 64.1MB in the beginning and 59.3MB in the end (delta: 4.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-08-30 01:57:37,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.98ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 55.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:37,715 INFO L158 Benchmark]: Boogie Preprocessor took 85.80ms. Allocated memory is still 90.2MB. Free memory was 55.1MB in the beginning and 51.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:37,715 INFO L158 Benchmark]: RCFGBuilder took 1000.17ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 51.7MB in the beginning and 72.3MB in the end (delta: -20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:37,716 INFO L158 Benchmark]: TraceAbstraction took 170.76ms. Allocated memory is still 115.3MB. Free memory was 71.6MB in the beginning and 82.0MB in the end (delta: -10.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-08-30 01:57:37,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 35.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 986.05ms. Allocated memory is still 90.2MB. Free memory was 64.1MB in the beginning and 59.3MB in the end (delta: 4.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.98ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 55.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.80ms. Allocated memory is still 90.2MB. Free memory was 55.1MB in the beginning and 51.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.17ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 51.7MB in the beginning and 72.3MB in the end (delta: -20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 170.76ms. Allocated memory is still 115.3MB. Free memory was 71.6MB in the beginning and 82.0MB in the end (delta: -10.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:57:37,749 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/pthread-complex/safestack_relacy.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 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 --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 01:57:39,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:57:39,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:57:39,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:57:39,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:57:39,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:57:39,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:57:39,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:57:39,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:57:39,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:57:39,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:57:39,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:57:39,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:57:39,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:57:39,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:57:39,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:57:39,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:57:39,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:57:39,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:57:39,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:57:39,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:57:39,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:57:39,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:57:39,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:57:39,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:57:39,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:57:39,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:57:39,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:57:39,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:57:39,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:57:39,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:57:39,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:57:39,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:57:39,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:57:39,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:57:39,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:57:39,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:57:39,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:57:39,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:57:39,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:57:39,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:57:39,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:57:39,773 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:57:39,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:57:39,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:57:39,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:57:39,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:57:39,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:57:39,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:57:39,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:57:39,777 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:57:39,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:57:39,778 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:57:39,778 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:57:39,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:57:39,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:57:39,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:57:39,779 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:57:39,779 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:57:39,779 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:57:39,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:57:39,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:57:39,780 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:57:39,780 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:57:39,780 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:57:39,780 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:57:39,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:57:39,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:57:39,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:57:39,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:39,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:57:39,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:57:39,782 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:57:39,782 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:57:39,782 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:57:39,782 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:57:39,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:57:39,783 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:57:39,783 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:57:39,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:40,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:40,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:40,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:40,134 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:40,134 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:40,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/safestack_relacy.i [2023-08-30 01:57:41,205 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:41,582 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:41,582 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/safestack_relacy.i [2023-08-30 01:57:41,603 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279419151/58f1039ca070416f8404ac708aebe2b7/FLAGa2d2944fa [2023-08-30 01:57:41,626 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279419151/58f1039ca070416f8404ac708aebe2b7 [2023-08-30 01:57:41,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:41,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:41,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:41,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:41,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:41,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:41" (1/1) ... [2023-08-30 01:57:41,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266dd069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:41, skipping insertion in model container [2023-08-30 01:57:41,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:41" (1/1) ... [2023-08-30 01:57:41,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:41,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:42,598 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/safestack_relacy.i[78860,78873] [2023-08-30 01:57:42,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:42,623 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:42,691 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/safestack_relacy.i[78860,78873] [2023-08-30 01:57:42,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:42,807 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:42,807 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:42,812 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:42,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42 WrapperNode [2023-08-30 01:57:42,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:42,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:42,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:42,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:42,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,880 INFO L138 Inliner]: procedures = 485, calls = 74, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 276 [2023-08-30 01:57:42,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:42,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:42,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:42,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:42,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:42,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:42,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:42,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:42,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (1/1) ... [2023-08-30 01:57:42,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:42,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:42,992 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 01:57:42,997 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 01:57:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:57:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:57:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 01:57:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:57:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-08-30 01:57:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-08-30 01:57:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:57:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:57:43,032 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 01:57:43,441 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:43,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:57:44,196 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:57:44,329 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:57:44,330 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-08-30 01:57:44,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:44 BoogieIcfgContainer [2023-08-30 01:57:44,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:57:44,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:57:44,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:57:44,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:57:44,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:41" (1/3) ... [2023-08-30 01:57:44,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33bc6da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:44, skipping insertion in model container [2023-08-30 01:57:44,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:42" (2/3) ... [2023-08-30 01:57:44,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33bc6da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:44, skipping insertion in model container [2023-08-30 01:57:44,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:44" (3/3) ... [2023-08-30 01:57:44,341 INFO L112 eAbstractionObserver]: Analyzing ICFG safestack_relacy.i [2023-08-30 01:57:44,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:57:44,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2023-08-30 01:57:44,357 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:57:44,504 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 01:57:44,510 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 01:57:44,515 INFO L158 Benchmark]: Toolchain (without parser) took 2883.87ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 38.2MB in the end (delta: 12.4MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:44,515 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:57:44,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1181.76ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 45.1MB in the end (delta: 5.3MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-08-30 01:57:44,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.08ms. Allocated memory is still 75.5MB. Free memory was 45.1MB in the beginning and 41.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:44,517 INFO L158 Benchmark]: Boogie Preprocessor took 60.95ms. Allocated memory is still 75.5MB. Free memory was 41.0MB in the beginning and 37.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:44,517 INFO L158 Benchmark]: RCFGBuilder took 1390.14ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 37.0MB in the beginning and 48.2MB in the end (delta: -11.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:44,518 INFO L158 Benchmark]: TraceAbstraction took 178.34ms. Allocated memory is still 94.4MB. Free memory was 47.6MB in the beginning and 38.2MB in the end (delta: 9.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 01:57:44,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1181.76ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 45.1MB in the end (delta: 5.3MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.08ms. Allocated memory is still 75.5MB. Free memory was 45.1MB in the beginning and 41.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.95ms. Allocated memory is still 75.5MB. Free memory was 41.0MB in the beginning and 37.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1390.14ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 37.0MB in the beginning and 48.2MB in the end (delta: -11.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 178.34ms. Allocated memory is still 94.4MB. Free memory was 47.6MB in the beginning and 38.2MB in the end (delta: 9.4MB). Peak memory consumption was 16.8MB. 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 01:57:44,541 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