./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.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-deagle/circular_buffer_bad.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 a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc --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 02:06:01,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:06:01,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:06:02,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:06:02,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:06:02,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:06:02,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:06:02,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:06:02,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:06:02,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:06:02,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:06:02,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:06:02,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:06:02,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:06:02,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:06:02,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:06:02,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:06:02,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:06:02,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:06:02,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:06:02,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:06:02,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:06:02,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:06:02,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:06:02,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:06:02,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:06:02,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:06:02,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:06:02,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:06:02,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:06:02,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:06:02,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:06:02,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:06:02,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:06:02,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:06:02,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:06:02,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:06:02,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:06:02,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:06:02,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:06:02,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:06:02,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:06:02,090 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:06:02,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:06:02,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:06:02,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:06:02,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:06:02,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:06:02,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:06:02,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:06:02,093 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:06:02,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:06:02,094 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:06:02,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:06:02,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:06:02,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:06:02,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:06:02,095 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:06:02,095 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:06:02,095 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:06:02,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:06:02,096 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:06:02,096 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:06:02,099 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:06:02,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:06:02,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:06:02,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:06:02,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:06:02,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:06:02,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:06:02,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:06:02,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:06:02,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:06:02,101 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:06:02,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:06:02,101 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:06:02,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:06:02,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:06:02,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:06:02,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:06:02,353 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:06:02,353 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:06:02,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2023-08-30 02:06:03,341 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:06:03,531 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:06:03,531 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2023-08-30 02:06:03,538 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/021e6c1e7/6f02a77550454da5ab2a0b6cc8ce58d5/FLAG66c92010b [2023-08-30 02:06:03,557 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/021e6c1e7/6f02a77550454da5ab2a0b6cc8ce58d5 [2023-08-30 02:06:03,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:06:03,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:06:03,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:06:03,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:06:03,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:06:03,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ab8022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03, skipping insertion in model container [2023-08-30 02:06:03,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:06:03,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:06:03,765 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-deagle/circular_buffer_bad.i[30440,30453] [2023-08-30 02:06:03,775 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-deagle/circular_buffer_bad.i[30895,30908] [2023-08-30 02:06:03,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:06:03,793 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:06:03,831 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-deagle/circular_buffer_bad.i[30440,30453] [2023-08-30 02:06:03,833 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-deagle/circular_buffer_bad.i[30895,30908] [2023-08-30 02:06:03,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:06:03,873 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:06:03,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03 WrapperNode [2023-08-30 02:06:03,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:06:03,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:06:03,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:06:03,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:06:03,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,914 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2023-08-30 02:06:03,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:06:03,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:06:03,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:06:03,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:06:03,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,955 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:06:03,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:06:03,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:06:03,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:06:03,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (1/1) ... [2023-08-30 02:06:03,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:06:03,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:06:03,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 02:06:03,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 02:06:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:06:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 02:06:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 02:06:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 02:06:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 02:06:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:06:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:06:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:06:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:06:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:06:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 02:06:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:06:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:06:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:06:04,018 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 02:06:04,101 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:06:04,102 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:06:04,330 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:06:04,338 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:06:04,340 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 02:06:04,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:06:04 BoogieIcfgContainer [2023-08-30 02:06:04,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:06:04,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:06:04,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:06:04,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:06:04,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:06:03" (1/3) ... [2023-08-30 02:06:04,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dda97c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:06:04, skipping insertion in model container [2023-08-30 02:06:04,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:03" (2/3) ... [2023-08-30 02:06:04,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dda97c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:06:04, skipping insertion in model container [2023-08-30 02:06:04,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:06:04" (3/3) ... [2023-08-30 02:06:04,348 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2023-08-30 02:06:04,359 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:06:04,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-08-30 02:06:04,360 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:06:04,439 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:06:04,446 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 02:06:04,450 INFO L158 Benchmark]: Toolchain (without parser) took 890.11ms. Allocated memory is still 83.9MB. Free memory was 61.8MB in the beginning and 55.0MB in the end (delta: 6.7MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-08-30 02:06:04,451 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:06:04,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.77ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 61.4MB in the end (delta: 148.2kB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-08-30 02:06:04,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.81ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 59.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:06:04,453 INFO L158 Benchmark]: Boogie Preprocessor took 47.38ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 57.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:06:04,453 INFO L158 Benchmark]: RCFGBuilder took 379.28ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 38.0MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 02:06:04,454 INFO L158 Benchmark]: TraceAbstraction took 106.00ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 55.0MB in the end (delta: -17.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-08-30 02:06:04,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.77ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 61.4MB in the end (delta: 148.2kB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.81ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 59.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.38ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 57.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.28ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 38.0MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 106.00ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 55.0MB in the end (delta: -17.5MB). Peak memory consumption was 7.1MB. 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 02:06:04,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.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 a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc --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 02:06:06,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:06:06,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:06:06,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:06:06,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:06:06,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:06:06,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:06:06,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:06:06,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:06:06,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:06:06,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:06:06,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:06:06,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:06:06,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:06:06,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:06:06,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:06:06,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:06:06,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:06:06,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:06:06,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:06:06,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:06:06,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:06:06,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:06:06,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:06:06,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:06:06,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:06:06,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:06:06,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:06:06,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:06:06,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:06:06,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:06:06,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:06:06,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:06:06,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:06:06,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:06:06,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:06:06,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:06:06,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:06:06,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:06:06,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:06:06,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:06:06,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:06:06,164 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:06:06,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:06:06,165 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:06:06,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:06:06,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:06:06,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:06:06,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:06:06,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:06:06,167 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:06:06,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:06:06,168 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:06:06,168 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:06:06,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:06:06,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:06:06,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:06:06,168 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:06:06,169 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:06:06,169 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:06:06,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:06:06,169 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:06:06,169 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:06:06,169 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:06:06,170 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:06:06,170 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:06:06,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:06:06,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:06:06,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:06:06,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:06:06,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:06:06,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:06:06,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:06:06,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:06:06,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:06:06,171 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:06:06,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:06:06,172 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:06:06,172 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:06:06,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:06:06,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:06:06,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:06:06,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:06:06,418 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:06:06,419 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:06:06,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2023-08-30 02:06:07,384 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:06:07,614 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:06:07,614 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2023-08-30 02:06:07,632 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6dd27c01/bde08d72bd974db79e4b1d1a4bdf4b9d/FLAGa88eccdb0 [2023-08-30 02:06:07,648 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6dd27c01/bde08d72bd974db79e4b1d1a4bdf4b9d [2023-08-30 02:06:07,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:06:07,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:06:07,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:06:07,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:06:07,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:06:07,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:06:07" (1/1) ... [2023-08-30 02:06:07,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1057990b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:07, skipping insertion in model container [2023-08-30 02:06:07,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:06:07" (1/1) ... [2023-08-30 02:06:07,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:06:07,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:06:07,956 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-deagle/circular_buffer_bad.i[30440,30453] [2023-08-30 02:06:07,966 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-deagle/circular_buffer_bad.i[30895,30908] [2023-08-30 02:06:07,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:06:07,985 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:06:08,007 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-deagle/circular_buffer_bad.i[30440,30453] [2023-08-30 02:06:08,009 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-deagle/circular_buffer_bad.i[30895,30908] [2023-08-30 02:06:08,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:06:08,052 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:06:08,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08 WrapperNode [2023-08-30 02:06:08,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:06:08,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:06:08,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:06:08,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:06:08,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,089 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 134 [2023-08-30 02:06:08,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:06:08,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:06:08,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:06:08,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:06:08,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,127 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:06:08,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:06:08,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:06:08,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:06:08,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (1/1) ... [2023-08-30 02:06:08,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:06:08,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:06:08,159 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 02:06:08,163 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 02:06:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-08-30 02:06:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:06:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 02:06:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 02:06:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 02:06:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 02:06:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:06:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:06:08,187 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 02:06:08,303 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:06:08,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:06:08,578 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:06:08,585 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:06:08,585 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 02:06:08,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:06:08 BoogieIcfgContainer [2023-08-30 02:06:08,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:06:08,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:06:08,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:06:08,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:06:08,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:06:07" (1/3) ... [2023-08-30 02:06:08,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24baf011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:06:08, skipping insertion in model container [2023-08-30 02:06:08,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:06:08" (2/3) ... [2023-08-30 02:06:08,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24baf011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:06:08, skipping insertion in model container [2023-08-30 02:06:08,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:06:08" (3/3) ... [2023-08-30 02:06:08,593 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2023-08-30 02:06:08,604 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:06:08,604 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-08-30 02:06:08,604 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:06:08,705 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:06:08,709 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 02:06:08,712 INFO L158 Benchmark]: Toolchain (without parser) took 1059.58ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 61.8MB in the end (delta: 6.6MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2023-08-30 02:06:08,712 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:06:08,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.01ms. Allocated memory is still 90.2MB. Free memory was 68.2MB in the beginning and 68.4MB in the end (delta: -248.0kB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-08-30 02:06:08,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.79ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:06:08,713 INFO L158 Benchmark]: Boogie Preprocessor took 40.77ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:06:08,714 INFO L158 Benchmark]: RCFGBuilder took 456.23ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 43.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 02:06:08,714 INFO L158 Benchmark]: TraceAbstraction took 122.44ms. Allocated memory is still 90.2MB. Free memory was 42.3MB in the beginning and 61.8MB in the end (delta: -19.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-08-30 02:06:08,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.01ms. Allocated memory is still 90.2MB. Free memory was 68.2MB in the beginning and 68.4MB in the end (delta: -248.0kB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.79ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.77ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.23ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 43.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 122.44ms. Allocated memory is still 90.2MB. Free memory was 42.3MB in the beginning and 61.8MB in the end (delta: -19.5MB). Peak memory consumption was 9.7MB. 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 02:06:08,736 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