./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread/queue_ok_longer.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/queue_ok_longer.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 f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a --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 01:48:25,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:48:25,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:48:25,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:48:25,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:48:25,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:48:25,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:48:25,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:48:25,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:48:25,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:48:25,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:48:25,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:48:25,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:48:25,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:48:25,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:48:25,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:48:25,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:48:25,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:48:25,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:48:25,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:48:25,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:48:25,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:48:25,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:48:25,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:48:25,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:48:25,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:48:25,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:48:25,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:48:25,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:48:25,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:48:25,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:48:25,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:48:25,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:48:25,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:48:25,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:48:25,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:48:25,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:48:25,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:48:25,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:48:25,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:48:25,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:48:25,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:48:25,823 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:48:25,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:48:25,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:48:25,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:48:25,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:48:25,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:48:25,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:48:25,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:48:25,826 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:48:25,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:48:25,826 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:48:25,827 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:48:25,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:48:25,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:48:25,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:48:25,827 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:48:25,828 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:48:25,828 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:48:25,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:48:25,828 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:48:25,828 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:48:25,828 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:48:25,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:48:25,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:48:25,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:48:25,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:25,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:48:25,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:48:25,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:48:25,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:48:25,830 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:48:25,830 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:48:25,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:48:25,831 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:48:25,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:48:26,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:48:26,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:48:26,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:48:26,101 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:48:26,101 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:48:26,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longer.i [2023-08-30 01:48:27,059 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:48:27,274 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:48:27,274 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longer.i [2023-08-30 01:48:27,288 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9643da15/09bc4b7dfcb449f1bda71d77ae2dfa49/FLAG7a101cf91 [2023-08-30 01:48:27,297 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9643da15/09bc4b7dfcb449f1bda71d77ae2dfa49 [2023-08-30 01:48:27,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:48:27,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:48:27,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:27,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:48:27,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:48:27,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c719ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27, skipping insertion in model container [2023-08-30 01:48:27,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:48:27,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:48:27,700 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/queue_ok_longer.i[43272,43285] [2023-08-30 01:48:27,707 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/queue_ok_longer.i[43545,43558] [2023-08-30 01:48:27,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:27,719 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:48:27,745 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/queue_ok_longer.i[43272,43285] [2023-08-30 01:48:27,749 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/queue_ok_longer.i[43545,43558] [2023-08-30 01:48:27,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:27,804 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:48:27,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27 WrapperNode [2023-08-30 01:48:27,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:27,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:27,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:48:27,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:48:27,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,854 INFO L138 Inliner]: procedures = 274, calls = 57, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 203 [2023-08-30 01:48:27,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:27,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:48:27,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:48:27,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:48:27,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,885 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:48:27,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:48:27,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:48:27,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:48:27,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (1/1) ... [2023-08-30 01:48:27,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:27,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:48:27,919 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 01:48:27,923 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 01:48:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 01:48:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 01:48:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 01:48:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 01:48:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:48:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:48:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:48:27,947 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 01:48:28,067 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:48:28,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:48:28,449 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:48:28,456 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:48:28,457 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 01:48:28,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:28 BoogieIcfgContainer [2023-08-30 01:48:28,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:48:28,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:48:28,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:48:28,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:48:28,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:48:27" (1/3) ... [2023-08-30 01:48:28,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b06c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:28, skipping insertion in model container [2023-08-30 01:48:28,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:27" (2/3) ... [2023-08-30 01:48:28,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b06c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:28, skipping insertion in model container [2023-08-30 01:48:28,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:28" (3/3) ... [2023-08-30 01:48:28,464 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2023-08-30 01:48:28,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:48:28,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2023-08-30 01:48:28,475 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:48:28,589 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 01:48:28,594 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 01:48:28,598 INFO L158 Benchmark]: Toolchain (without parser) took 1298.52ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 54.1MB in the beginning and 72.4MB in the end (delta: -18.3MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2023-08-30 01:48:28,599 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:48:28,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.18ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 54.0MB in the beginning and 82.9MB in the end (delta: -28.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-08-30 01:48:28,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.48ms. Allocated memory is still 111.1MB. Free memory was 82.9MB in the beginning and 79.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:48:28,601 INFO L158 Benchmark]: Boogie Preprocessor took 32.88ms. Allocated memory is still 111.1MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:48:28,602 INFO L158 Benchmark]: RCFGBuilder took 570.63ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 48.7MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-08-30 01:48:28,602 INFO L158 Benchmark]: TraceAbstraction took 137.35ms. Allocated memory is still 111.1MB. Free memory was 48.1MB in the beginning and 72.4MB in the end (delta: -24.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-08-30 01:48:28,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.18ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 54.0MB in the beginning and 82.9MB in the end (delta: -28.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.48ms. Allocated memory is still 111.1MB. Free memory was 82.9MB in the beginning and 79.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.88ms. Allocated memory is still 111.1MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 570.63ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 48.7MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 137.35ms. Allocated memory is still 111.1MB. Free memory was 48.1MB in the beginning and 72.4MB in the end (delta: -24.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:48:28,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread/queue_ok_longer.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 f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a --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 01:48:30,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:48:30,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:48:30,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:48:30,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:48:30,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:48:30,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:48:30,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:48:30,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:48:30,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:48:30,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:48:30,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:48:30,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:48:30,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:48:30,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:48:30,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:48:30,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:48:30,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:48:30,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:48:30,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:48:30,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:48:30,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:48:30,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:48:30,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:48:30,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:48:30,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:48:30,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:48:30,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:48:30,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:48:30,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:48:30,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:48:30,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:48:30,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:48:30,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:48:30,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:48:30,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:48:30,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:48:30,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:48:30,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:48:30,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:48:30,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:48:30,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:48:30,256 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:48:30,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:48:30,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:48:30,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:48:30,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:48:30,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:48:30,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:48:30,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:48:30,258 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:48:30,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:48:30,259 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:48:30,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:48:30,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:48:30,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:48:30,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:48:30,260 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:48:30,260 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:48:30,260 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:48:30,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:48:30,261 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:48:30,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:48:30,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:48:30,261 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:48:30,261 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:48:30,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:48:30,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:48:30,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:48:30,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:30,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:48:30,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:48:30,262 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:48:30,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:48:30,263 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:48:30,263 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:48:30,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:48:30,263 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:48:30,263 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:48:30,263 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:48:30,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:48:30,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:48:30,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:48:30,533 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:48:30,533 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:48:30,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longer.i [2023-08-30 01:48:31,446 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:48:31,670 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:48:31,671 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longer.i [2023-08-30 01:48:31,686 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467947cb2/82069b735aa646dca4718b8cd85c7805/FLAG359dc52d4 [2023-08-30 01:48:31,700 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467947cb2/82069b735aa646dca4718b8cd85c7805 [2023-08-30 01:48:31,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:48:31,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:48:31,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:31,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:48:31,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:48:31,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e3d975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31, skipping insertion in model container [2023-08-30 01:48:31,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:48:31,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:48:32,097 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/queue_ok_longer.i[43272,43285] [2023-08-30 01:48:32,102 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/queue_ok_longer.i[43545,43558] [2023-08-30 01:48:32,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:32,121 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:48:32,157 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/queue_ok_longer.i[43272,43285] [2023-08-30 01:48:32,159 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/queue_ok_longer.i[43545,43558] [2023-08-30 01:48:32,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:32,238 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:48:32,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32 WrapperNode [2023-08-30 01:48:32,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:32,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:32,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:48:32,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:48:32,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,300 INFO L138 Inliner]: procedures = 278, calls = 57, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 199 [2023-08-30 01:48:32,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:32,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:48:32,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:48:32,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:48:32,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:48:32,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:48:32,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:48:32,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:48:32,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (1/1) ... [2023-08-30 01:48:32,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:32,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:48:32,378 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 01:48:32,379 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 01:48:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:48:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 01:48:32,400 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 01:48:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 01:48:32,400 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 01:48:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:48:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:48:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:48:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:48:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 01:48:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:48:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:48:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:48:32,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:48:32,402 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 01:48:32,552 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:48:32,560 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:48:33,004 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:48:33,010 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:48:33,010 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 01:48:33,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:33 BoogieIcfgContainer [2023-08-30 01:48:33,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:48:33,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:48:33,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:48:33,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:48:33,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:48:31" (1/3) ... [2023-08-30 01:48:33,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a1b09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:33, skipping insertion in model container [2023-08-30 01:48:33,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:32" (2/3) ... [2023-08-30 01:48:33,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a1b09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:33, skipping insertion in model container [2023-08-30 01:48:33,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:33" (3/3) ... [2023-08-30 01:48:33,020 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2023-08-30 01:48:33,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:48:33,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2023-08-30 01:48:33,031 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:48:33,143 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 01:48:33,147 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 01:48:33,150 INFO L158 Benchmark]: Toolchain (without parser) took 1447.06ms. Allocated memory is still 98.6MB. Free memory was 74.4MB in the beginning and 64.6MB in the end (delta: 9.9MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-08-30 01:48:33,151 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:48:33,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.32ms. Allocated memory is still 98.6MB. Free memory was 74.2MB in the beginning and 66.0MB in the end (delta: 8.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-30 01:48:33,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.73ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 63.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:48:33,152 INFO L158 Benchmark]: Boogie Preprocessor took 44.48ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 60.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:48:33,152 INFO L158 Benchmark]: RCFGBuilder took 665.76ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 59.0MB in the end (delta: 1.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-08-30 01:48:33,153 INFO L158 Benchmark]: TraceAbstraction took 133.29ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 64.6MB in the end (delta: -6.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-30 01:48:33,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.32ms. Allocated memory is still 98.6MB. Free memory was 74.2MB in the beginning and 66.0MB in the end (delta: 8.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.73ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 63.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.48ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 60.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.76ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 59.0MB in the end (delta: 1.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 133.29ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 64.6MB in the end (delta: -6.1MB). Peak memory consumption was 25.2MB. 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 01:48:33,171 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