./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:28:24,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:28:24,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:28:24,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:28:24,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:28:24,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:28:24,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:28:24,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:28:24,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:28:24,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:28:24,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:28:24,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:28:24,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:28:24,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:28:24,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:28:24,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:28:24,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:28:24,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:28:24,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:28:24,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:28:24,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:28:24,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:28:24,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:28:24,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:28:24,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:28:24,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:28:24,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:28:24,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:28:24,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:28:24,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:28:24,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:28:24,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:28:24,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:28:24,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:28:24,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:28:24,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:28:24,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:28:24,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:28:24,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:28:24,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:28:24,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:28:24,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:28:24,575 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:28:24,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:28:24,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:28:24,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:28:24,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:28:24,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:28:24,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:28:24,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:28:24,579 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:28:24,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:28:24,580 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:28:24,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:28:24,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:28:24,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:28:24,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:28:24,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:28:24,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:28:24,581 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:28:24,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:28:24,582 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:28:24,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:28:24,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:28:24,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:28:24,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:28:24,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:28:24,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:28:24,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:28:24,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:28:24,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:28:24,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:28:24,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:28:24,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:28:24,592 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:28:24,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:28:24,593 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:28:24,593 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:28:24,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:28:24,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:28:24,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:28:24,900 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:28:24,900 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:28:24,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-08-30 22:28:26,119 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:28:26,474 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:28:26,475 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-08-30 22:28:26,503 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52fe01e24/f25c2b8f2bec45ff8e1ad9a0dc74dd58/FLAGb9f7031fe [2023-08-30 22:28:26,522 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52fe01e24/f25c2b8f2bec45ff8e1ad9a0dc74dd58 [2023-08-30 22:28:26,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:28:26,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:28:26,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:28:26,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:28:26,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:28:26,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:28:26" (1/1) ... [2023-08-30 22:28:26,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e25ef99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:26, skipping insertion in model container [2023-08-30 22:28:26,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:28:26" (1/1) ... [2023-08-30 22:28:26,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:28:26,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:28:27,172 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/workstealqueue_mutex-2.i[76469,76482] [2023-08-30 22:28:27,244 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/workstealqueue_mutex-2.i[79042,79055] [2023-08-30 22:28:27,248 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/workstealqueue_mutex-2.i[79451,79464] [2023-08-30 22:28:27,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:28:27,276 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:28:27,337 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/workstealqueue_mutex-2.i[76469,76482] [2023-08-30 22:28:27,360 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/workstealqueue_mutex-2.i[79042,79055] [2023-08-30 22:28:27,366 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/workstealqueue_mutex-2.i[79451,79464] [2023-08-30 22:28:27,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:28:27,509 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:28:27,510 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:28:27,516 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:28:27,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27 WrapperNode [2023-08-30 22:28:27,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:28:27,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:28:27,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:28:27,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:28:27,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,658 INFO L138 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 1831 [2023-08-30 22:28:27,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:28:27,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:28:27,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:28:27,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:28:27,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,735 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:28:27,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:28:27,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:28:27,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:28:27,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (1/1) ... [2023-08-30 22:28:27,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:28:27,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:28:27,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:28:27,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:28:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-08-30 22:28:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-08-30 22:28:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:28:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:28:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:28:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:28:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:28:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:28:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 22:28:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:28:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:28:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:28:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 22:28:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:28:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:28:27,854 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:28:28,222 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:28:28,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:28:29,924 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:28:30,337 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:28:30,338 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-30 22:28:30,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:28:30 BoogieIcfgContainer [2023-08-30 22:28:30,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:28:30,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:28:30,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:28:30,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:28:30,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:28:26" (1/3) ... [2023-08-30 22:28:30,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9320a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:28:30, skipping insertion in model container [2023-08-30 22:28:30,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:27" (2/3) ... [2023-08-30 22:28:30,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9320a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:28:30, skipping insertion in model container [2023-08-30 22:28:30,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:28:30" (3/3) ... [2023-08-30 22:28:30,351 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2023-08-30 22:28:30,360 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:28:30,368 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:28:30,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-30 22:28:30,369 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:28:30,512 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 22:28:30,517 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:28:30,522 INFO L158 Benchmark]: Toolchain (without parser) took 3995.49ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 62.8MB in the beginning and 57.6MB in the end (delta: 5.3MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2023-08-30 22:28:30,522 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:28:30,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 989.49ms. Allocated memory is still 88.1MB. Free memory was 62.7MB in the beginning and 42.5MB in the end (delta: 20.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-08-30 22:28:30,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.21ms. Allocated memory is still 88.1MB. Free memory was 42.5MB in the beginning and 54.1MB in the end (delta: -11.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-08-30 22:28:30,524 INFO L158 Benchmark]: Boogie Preprocessor took 97.03ms. Allocated memory is still 88.1MB. Free memory was 54.1MB in the beginning and 45.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:28:30,524 INFO L158 Benchmark]: RCFGBuilder took 2585.47ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 45.3MB in the beginning and 50.3MB in the end (delta: -5.0MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-08-30 22:28:30,525 INFO L158 Benchmark]: TraceAbstraction took 175.63ms. Allocated memory is still 144.7MB. Free memory was 50.3MB in the beginning and 57.6MB in the end (delta: -7.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-08-30 22:28:30,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 989.49ms. Allocated memory is still 88.1MB. Free memory was 62.7MB in the beginning and 42.5MB in the end (delta: 20.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.21ms. Allocated memory is still 88.1MB. Free memory was 42.5MB in the beginning and 54.1MB in the end (delta: -11.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.03ms. Allocated memory is still 88.1MB. Free memory was 54.1MB in the beginning and 45.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2585.47ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 45.3MB in the beginning and 50.3MB in the end (delta: -5.0MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * TraceAbstraction took 175.63ms. Allocated memory is still 144.7MB. Free memory was 50.3MB in the beginning and 57.6MB in the end (delta: -7.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:28:30,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:28:32,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:28:32,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:28:32,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:28:32,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:28:32,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:28:32,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:28:32,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:28:32,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:28:32,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:28:32,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:28:32,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:28:32,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:28:32,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:28:32,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:28:32,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:28:32,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:28:32,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:28:32,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:28:32,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:28:32,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:28:32,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:28:32,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:28:32,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:28:32,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:28:32,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:28:32,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:28:32,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:28:32,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:28:32,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:28:32,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:28:32,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:28:32,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:28:32,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:28:32,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:28:32,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:28:32,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:28:32,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:28:32,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:28:32,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:28:32,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:28:32,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:28:32,504 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:28:32,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:28:32,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:28:32,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:28:32,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:28:32,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:28:32,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:28:32,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:28:32,508 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:28:32,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:28:32,509 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:28:32,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:28:32,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:28:32,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:28:32,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:28:32,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:28:32,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:28:32,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:28:32,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:28:32,511 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:28:32,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:28:32,511 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:28:32,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:28:32,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:28:32,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:28:32,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:28:32,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:28:32,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:28:32,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:28:32,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:28:32,513 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:28:32,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:28:32,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:28:32,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:28:32,514 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:28:32,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:28:32,514 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:28:32,514 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:28:32,514 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:28:32,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:28:32,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:28:32,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:28:32,858 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:28:32,858 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:28:32,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-08-30 22:28:34,005 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:28:34,294 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:28:34,295 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-08-30 22:28:34,317 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a049411/71068e81d16f4b0996d4a4cec88a2ba1/FLAG348d4ef20 [2023-08-30 22:28:34,331 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a049411/71068e81d16f4b0996d4a4cec88a2ba1 [2023-08-30 22:28:34,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:28:34,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:28:34,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:28:34,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:28:34,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:28:34,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5e27bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34, skipping insertion in model container [2023-08-30 22:28:34,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:28:34,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:28:34,947 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/workstealqueue_mutex-2.i[76469,76482] [2023-08-30 22:28:34,990 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/workstealqueue_mutex-2.i[79042,79055] [2023-08-30 22:28:34,995 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/workstealqueue_mutex-2.i[79451,79464] [2023-08-30 22:28:35,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:28:35,036 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:28:35,098 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/workstealqueue_mutex-2.i[76469,76482] [2023-08-30 22:28:35,114 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/workstealqueue_mutex-2.i[79042,79055] [2023-08-30 22:28:35,118 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/workstealqueue_mutex-2.i[79451,79464] [2023-08-30 22:28:35,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:28:35,235 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:28:35,235 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:28:35,240 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:28:35,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35 WrapperNode [2023-08-30 22:28:35,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:28:35,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:28:35,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:28:35,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:28:35,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,338 INFO L138 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 1652 [2023-08-30 22:28:35,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:28:35,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:28:35,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:28:35,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:28:35,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:28:35,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:28:35,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:28:35,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:28:35,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (1/1) ... [2023-08-30 22:28:35,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:28:35,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:28:35,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:28:35,546 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 22:28:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-08-30 22:28:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-08-30 22:28:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:28:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:28:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:28:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:28:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:28:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:28:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:28:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 22:28:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:28:35,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:28:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:28:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:28:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 22:28:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:28:35,563 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:28:35,934 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:28:35,936 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:28:37,938 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:28:38,306 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:28:38,306 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-30 22:28:38,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:28:38 BoogieIcfgContainer [2023-08-30 22:28:38,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:28:38,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:28:38,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:28:38,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:28:38,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:28:34" (1/3) ... [2023-08-30 22:28:38,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a590774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:28:38, skipping insertion in model container [2023-08-30 22:28:38,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:35" (2/3) ... [2023-08-30 22:28:38,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a590774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:28:38, skipping insertion in model container [2023-08-30 22:28:38,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:28:38" (3/3) ... [2023-08-30 22:28:38,322 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2023-08-30 22:28:38,330 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:28:38,339 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:28:38,339 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-30 22:28:38,339 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:28:38,512 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 22:28:38,518 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:28:38,522 INFO L158 Benchmark]: Toolchain (without parser) took 4187.01ms. Allocated memory was 69.2MB in the beginning and 151.0MB in the end (delta: 81.8MB). Free memory was 41.1MB in the beginning and 96.3MB in the end (delta: -55.2MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-08-30 22:28:38,523 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:28:38,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 905.60ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 40.8MB in the beginning and 54.1MB in the end (delta: -13.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-08-30 22:28:38,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.96ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 45.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:28:38,524 INFO L158 Benchmark]: Boogie Preprocessor took 147.74ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 61.5MB in the end (delta: -16.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-08-30 22:28:38,525 INFO L158 Benchmark]: RCFGBuilder took 2823.12ms. Allocated memory was 96.5MB in the beginning and 151.0MB in the end (delta: 54.5MB). Free memory was 61.5MB in the beginning and 102.7MB in the end (delta: -41.2MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2023-08-30 22:28:38,525 INFO L158 Benchmark]: TraceAbstraction took 206.64ms. Allocated memory is still 151.0MB. Free memory was 101.7MB in the beginning and 96.3MB in the end (delta: 5.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-08-30 22:28:38,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 905.60ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 40.8MB in the beginning and 54.1MB in the end (delta: -13.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.96ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 45.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.74ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 61.5MB in the end (delta: -16.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2823.12ms. Allocated memory was 96.5MB in the beginning and 151.0MB in the end (delta: 54.5MB). Free memory was 61.5MB in the beginning and 102.7MB in the end (delta: -41.2MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * TraceAbstraction took 206.64ms. Allocated memory is still 151.0MB. Free memory was 101.7MB in the beginning and 96.3MB in the end (delta: 5.5MB). Peak memory consumption was 52.4MB. 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 22:28:38,549 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