./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix002.opt.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix002.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:20:35,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:20:35,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:35,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:35,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:35,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:35,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:35,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:35,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:35,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:35,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:35,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:35,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:35,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:35,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:35,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:35,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:35,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:35,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:35,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:35,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:35,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:35,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:35,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:35,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:35,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:35,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:35,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:35,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:35,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:35,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:35,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:35,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:35,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:35,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:35,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:35,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:35,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:35,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:35,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:35,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:35,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:20:36,004 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:36,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:36,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:36,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:36,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:36,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:36,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:36,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:36,006 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:36,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:36,007 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:36,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:20:36,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:36,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:36,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:36,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:36,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:36,008 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:36,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:36,008 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:36,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:36,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:36,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:36,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:36,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:36,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:36,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:36,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:36,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:20:36,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:20:36,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:36,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:36,010 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:36,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:36,010 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:36,010 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:36,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:36,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:36,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:36,246 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:36,246 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:36,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix002.opt.i [2023-08-30 22:20:37,207 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:37,427 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:37,428 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix002.opt.i [2023-08-30 22:20:37,440 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbfb64c2/9274393cf16743d7a92496cfc0b6158e/FLAG774779c9a [2023-08-30 22:20:37,454 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbfb64c2/9274393cf16743d7a92496cfc0b6158e [2023-08-30 22:20:37,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:37,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:37,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:37,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:37,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:37,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3470e4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37, skipping insertion in model container [2023-08-30 22:20:37,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:37,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:37,595 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-wmm/mix002.opt.i[944,957] [2023-08-30 22:20:37,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:37,758 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:37,768 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-wmm/mix002.opt.i[944,957] [2023-08-30 22:20:37,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:37,837 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:20:37,837 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:20:37,851 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:37,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37 WrapperNode [2023-08-30 22:20:37,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:37,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:37,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:37,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:37,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,917 INFO L138 Inliner]: procedures = 176, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 153 [2023-08-30 22:20:37,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:37,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:37,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:37,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:37,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,956 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:37,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:37,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:37,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:37,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (1/1) ... [2023-08-30 22:20:37,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:37,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:37,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:20:38,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:20:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:20:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:20:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:20:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:20:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:20:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:20:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 22:20:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 22:20:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:20:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:20:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:38,027 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:20:38,144 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:38,145 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:38,430 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:38,512 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:38,513 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:20:38,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:38 BoogieIcfgContainer [2023-08-30 22:20:38,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:38,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:38,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:38,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:38,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:37" (1/3) ... [2023-08-30 22:20:38,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb93708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:38, skipping insertion in model container [2023-08-30 22:20:38,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:37" (2/3) ... [2023-08-30 22:20:38,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb93708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:38, skipping insertion in model container [2023-08-30 22:20:38,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:38" (3/3) ... [2023-08-30 22:20:38,521 INFO L112 eAbstractionObserver]: Analyzing ICFG mix002.opt.i [2023-08-30 22:20:38,526 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:38,532 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:38,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:20:38,533 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:38,579 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:38,584 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:20:38,589 INFO L158 Benchmark]: Toolchain (without parser) took 1131.65ms. Allocated memory is still 94.4MB. Free memory was 70.6MB in the beginning and 53.6MB in the end (delta: 17.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-08-30 22:20:38,589 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 56.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:38,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.46ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 72.2MB in the end (delta: -1.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-08-30 22:20:38,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.51ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 69.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:38,591 INFO L158 Benchmark]: Boogie Preprocessor took 47.96ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:38,591 INFO L158 Benchmark]: RCFGBuilder took 543.87ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 64.2MB in the end (delta: 3.1MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:38,592 INFO L158 Benchmark]: TraceAbstraction took 71.11ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 53.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:20:38,597 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 65.0MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 56.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.46ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 72.2MB in the end (delta: -1.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.51ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 69.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.96ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.87ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 64.2MB in the end (delta: 3.1MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * TraceAbstraction took 71.11ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 53.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:20:38,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix002.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:20:40,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:20:40,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:40,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:40,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:40,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:40,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:40,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:40,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:40,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:40,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:40,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:40,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:40,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:40,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:40,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:40,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:40,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:40,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:40,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:40,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:40,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:40,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:40,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:40,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:40,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:40,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:40,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:40,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:40,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:40,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:40,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:40,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:40,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:40,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:40,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:40,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:40,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:40,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:40,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:40,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:40,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:20:40,151 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:40,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:40,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:40,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:40,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:40,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:40,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:40,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:40,154 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:40,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:40,155 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:40,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:40,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:40,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:40,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:40,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:40,156 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:20:40,156 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:20:40,156 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:20:40,156 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:40,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:40,156 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:40,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:40,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:40,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:40,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:40,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:40,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:40,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:40,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:40,158 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:20:40,158 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:20:40,158 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:40,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:40,159 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:40,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:40,159 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:20:40,159 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:40,159 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:40,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:40,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:40,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:40,400 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:40,400 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:40,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix002.opt.i [2023-08-30 22:20:41,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:41,503 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:41,504 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix002.opt.i [2023-08-30 22:20:41,511 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377e857b0/4914d7525f4f40c8a858032bbc617aa8/FLAG44d8afa80 [2023-08-30 22:20:41,520 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377e857b0/4914d7525f4f40c8a858032bbc617aa8 [2023-08-30 22:20:41,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:41,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:41,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:41,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:41,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:41,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a1c941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41, skipping insertion in model container [2023-08-30 22:20:41,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:41,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:41,662 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-wmm/mix002.opt.i[944,957] [2023-08-30 22:20:41,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:41,799 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:41,809 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-wmm/mix002.opt.i[944,957] [2023-08-30 22:20:41,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:41,885 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:20:41,885 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:20:41,889 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:41,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41 WrapperNode [2023-08-30 22:20:41,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:41,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:41,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:41,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:41,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,942 INFO L138 Inliner]: procedures = 179, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 154 [2023-08-30 22:20:41,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:41,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:41,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:41,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:41,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,981 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:41,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:41,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:41,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:41,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (1/1) ... [2023-08-30 22:20:41,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:42,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:42,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:20:42,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:20:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:20:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:20:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:20:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:20:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:20:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 22:20:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 22:20:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:20:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:42,045 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:20:42,192 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:42,194 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:42,462 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:42,576 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:42,576 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:20:42,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:42 BoogieIcfgContainer [2023-08-30 22:20:42,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:42,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:42,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:42,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:42,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:41" (1/3) ... [2023-08-30 22:20:42,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dff6694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:42, skipping insertion in model container [2023-08-30 22:20:42,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:41" (2/3) ... [2023-08-30 22:20:42,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dff6694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:42, skipping insertion in model container [2023-08-30 22:20:42,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:42" (3/3) ... [2023-08-30 22:20:42,584 INFO L112 eAbstractionObserver]: Analyzing ICFG mix002.opt.i [2023-08-30 22:20:42,589 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:42,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:42,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:20:42,599 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:42,638 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:42,643 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:20:42,647 INFO L158 Benchmark]: Toolchain (without parser) took 1120.17ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 50.6MB in the end (delta: 9.9MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-08-30 22:20:42,648 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:42,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.94ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 55.7MB in the end (delta: 4.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:42,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.98ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 52.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:42,649 INFO L158 Benchmark]: Boogie Preprocessor took 48.50ms. Allocated memory is still 83.9MB. Free memory was 52.8MB in the beginning and 50.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:42,650 INFO L158 Benchmark]: RCFGBuilder took 586.17ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 32.5MB in the end (delta: 17.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:42,650 INFO L158 Benchmark]: TraceAbstraction took 66.46ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 50.6MB in the end (delta: -18.7MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2023-08-30 22:20:42,656 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 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.94ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 55.7MB in the end (delta: 4.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.98ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 52.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.50ms. Allocated memory is still 83.9MB. Free memory was 52.8MB in the beginning and 50.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.17ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 32.5MB in the end (delta: 17.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 66.46ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 50.6MB in the end (delta: -18.7MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:20:42,676 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