./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/queue_ok_longest.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --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 12:17:01,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:01,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:01,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:01,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:01,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:01,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:01,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:01,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:01,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:01,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:01,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:01,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:01,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:01,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:01,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:01,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:01,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:01,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:01,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:01,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:01,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:01,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:01,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:01,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:01,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:01,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:01,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:01,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:01,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:01,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:01,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:01,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:01,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:01,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:01,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:01,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:01,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:01,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:01,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:01,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:01,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:17:01,663 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:01,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:01,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:01,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:01,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:01,665 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:01,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:01,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:01,666 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:01,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:01,667 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:01,667 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:01,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:17:01,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:01,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:01,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:01,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:01,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:01,668 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:01,668 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:01,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:01,669 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:01,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:01,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:01,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:01,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:01,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:01,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:01,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:01,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:01,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:17:01,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:17:01,671 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:01,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:01,671 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:01,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:01,671 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:01,671 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:01,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:01,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:01,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:01,930 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:01,930 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:01,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2023-08-30 12:17:03,138 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:03,384 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:03,385 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2023-08-30 12:17:03,399 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706d3c201/be8e9821d0f142ffaf7091e483e3e841/FLAGffbd866eb [2023-08-30 12:17:03,413 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706d3c201/be8e9821d0f142ffaf7091e483e3e841 [2023-08-30 12:17:03,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:03,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:03,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:03,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:03,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:03,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:03" (1/1) ... [2023-08-30 12:17:03,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441b95fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:03, skipping insertion in model container [2023-08-30 12:17:03,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:03" (1/1) ... [2023-08-30 12:17:03,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:03,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:03,971 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2023-08-30 12:17:03,976 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2023-08-30 12:17:03,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:03,993 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:04,031 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2023-08-30 12:17:04,036 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2023-08-30 12:17:04,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:04,106 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:04,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04 WrapperNode [2023-08-30 12:17:04,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:04,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:04,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:04,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:04,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,186 INFO L138 Inliner]: procedures = 274, calls = 57, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 215 [2023-08-30 12:17:04,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:04,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:04,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:04,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:04,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,242 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:04,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:04,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:04,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:04,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:04,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:04,293 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 12:17:04,316 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 12:17:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:17:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:17:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:17:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:17:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:17:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:17:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:17:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:17:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:04,334 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 12:17:04,534 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:04,536 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:04,877 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:04,885 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:04,886 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:17:04,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:04 BoogieIcfgContainer [2023-08-30 12:17:04,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:17:04,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:17:04,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:17:04,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:17:04,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:17:03" (1/3) ... [2023-08-30 12:17:04,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aedfdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:04, skipping insertion in model container [2023-08-30 12:17:04,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (2/3) ... [2023-08-30 12:17:04,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aedfdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:04, skipping insertion in model container [2023-08-30 12:17:04,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:04" (3/3) ... [2023-08-30 12:17:04,895 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2023-08-30 12:17:04,901 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:17:04,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:17:04,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-08-30 12:17:04,910 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:17:05,012 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:17:05,017 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 12:17:05,036 INFO L158 Benchmark]: Toolchain (without parser) took 1612.64ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 32.2MB in the beginning and 58.3MB in the end (delta: -26.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,036 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:05,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.75ms. Allocated memory is still 65.0MB. Free memory was 32.1MB in the beginning and 31.4MB in the end (delta: 643.2kB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.65ms. Allocated memory is still 65.0MB. Free memory was 31.4MB in the beginning and 28.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,038 INFO L158 Benchmark]: Boogie Preprocessor took 58.51ms. Allocated memory is still 65.0MB. Free memory was 28.3MB in the beginning and 26.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,038 INFO L158 Benchmark]: RCFGBuilder took 641.33ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 26.2MB in the beginning and 40.4MB in the end (delta: -14.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,039 INFO L158 Benchmark]: TraceAbstraction took 144.56ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 58.3MB in the end (delta: -18.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.75ms. Allocated memory is still 65.0MB. Free memory was 32.1MB in the beginning and 31.4MB in the end (delta: 643.2kB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.65ms. Allocated memory is still 65.0MB. Free memory was 31.4MB in the beginning and 28.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.51ms. Allocated memory is still 65.0MB. Free memory was 28.3MB in the beginning and 26.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.33ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 26.2MB in the beginning and 40.4MB in the end (delta: -14.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * TraceAbstraction took 144.56ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 58.3MB in the end (delta: -18.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:17:05,091 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/queue_ok_longest.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --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 12:17:06,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:06,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:06,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:06,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:06,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:06,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:06,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:06,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:07,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:07,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:07,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:07,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:07,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:07,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:07,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:07,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:07,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:07,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:07,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:07,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:07,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:07,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:07,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:07,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:07,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:07,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:07,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:07,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:07,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:07,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:07,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:07,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:07,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:07,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:07,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:07,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:07,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:07,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:07,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:07,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:07,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:17:07,081 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:07,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:07,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:07,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:07,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:07,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:07,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:07,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:07,084 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:07,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:07,085 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:07,085 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:07,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:07,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:07,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:07,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:07,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:07,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:17:07,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:17:07,087 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:07,087 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:17:07,087 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:07,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:07,087 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:07,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:07,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:07,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:07,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:07,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:07,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:07,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:07,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:07,089 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:17:07,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:17:07,090 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:07,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:07,090 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:07,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:07,090 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:17:07,090 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:07,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:07,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:07,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:07,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:07,445 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:07,445 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:07,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2023-08-30 12:17:08,661 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:08,915 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:08,919 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2023-08-30 12:17:08,947 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f082867c9/39228368acb2433c8ede64a3c1def3b6/FLAG21a141bfa [2023-08-30 12:17:08,963 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f082867c9/39228368acb2433c8ede64a3c1def3b6 [2023-08-30 12:17:08,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:08,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:08,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:08,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:08,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:08,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:08" (1/1) ... [2023-08-30 12:17:08,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3daab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:08, skipping insertion in model container [2023-08-30 12:17:08,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:08" (1/1) ... [2023-08-30 12:17:08,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:09,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:09,401 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2023-08-30 12:17:09,407 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2023-08-30 12:17:09,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:09,426 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:09,480 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2023-08-30 12:17:09,483 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2023-08-30 12:17:09,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:09,547 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:09,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09 WrapperNode [2023-08-30 12:17:09,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:09,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:09,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:09,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:09,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,612 INFO L138 Inliner]: procedures = 278, calls = 57, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 211 [2023-08-30 12:17:09,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:09,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:09,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:09,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:09,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:09,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:09,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:09,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:09,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:09,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:09,715 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 12:17:09,721 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 12:17:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:17:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:17:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:17:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:17:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:17:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:17:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:17:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:17:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:17:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:09,745 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 12:17:09,909 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:09,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:10,359 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:10,371 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:10,372 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:17:10,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:10 BoogieIcfgContainer [2023-08-30 12:17:10,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:17:10,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:17:10,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:17:10,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:17:10,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:17:08" (1/3) ... [2023-08-30 12:17:10,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36372e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:10, skipping insertion in model container [2023-08-30 12:17:10,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (2/3) ... [2023-08-30 12:17:10,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36372e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:10, skipping insertion in model container [2023-08-30 12:17:10,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:10" (3/3) ... [2023-08-30 12:17:10,380 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2023-08-30 12:17:10,387 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:17:10,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:17:10,395 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-08-30 12:17:10,395 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:17:10,501 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:17:10,506 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 12:17:10,512 INFO L158 Benchmark]: Toolchain (without parser) took 1545.10ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 50.2MB in the end (delta: 5.0MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,512 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:10,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.12ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 43.1MB in the end (delta: 11.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.06ms. Allocated memory is still 79.7MB. Free memory was 43.1MB in the beginning and 40.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,515 INFO L158 Benchmark]: Boogie Preprocessor took 75.15ms. Allocated memory is still 79.7MB. Free memory was 40.2MB in the beginning and 37.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,515 INFO L158 Benchmark]: RCFGBuilder took 680.84ms. Allocated memory is still 79.7MB. Free memory was 37.3MB in the beginning and 41.4MB in the end (delta: -4.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,516 INFO L158 Benchmark]: TraceAbstraction took 135.00ms. Allocated memory is still 79.7MB. Free memory was 40.4MB in the beginning and 50.2MB in the end (delta: -9.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.12ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 43.1MB in the end (delta: 11.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.06ms. Allocated memory is still 79.7MB. Free memory was 43.1MB in the beginning and 40.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.15ms. Allocated memory is still 79.7MB. Free memory was 40.2MB in the beginning and 37.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.84ms. Allocated memory is still 79.7MB. Free memory was 37.3MB in the beginning and 41.4MB in the end (delta: -4.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * TraceAbstraction took 135.00ms. Allocated memory is still 79.7MB. Free memory was 40.4MB in the beginning and 50.2MB in the end (delta: -9.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:17:10,537 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