./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/queue_longest.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_longest.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --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 [2023-08-29 03:59:04,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:59:04,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:59:04,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:59:04,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:59:04,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:59:04,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:59:04,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:59:04,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:59:04,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:59:04,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:59:04,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:59:04,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:59:04,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:59:04,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:59:05,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:59:05,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:59:05,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:59:05,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:59:05,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:59:05,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:59:05,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:59:05,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:59:05,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:59:05,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:59:05,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:59:05,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:59:05,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:59:05,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:59:05,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:59:05,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:59:05,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:59:05,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:59:05,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:59:05,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:59:05,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:59:05,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:59:05,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:59:05,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:59:05,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:59:05,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:59:05,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:59:05,077 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:59:05,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:59:05,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:59:05,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:59:05,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:59:05,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:59:05,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:59:05,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:59:05,081 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:59:05,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:59:05,082 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:59:05,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:59:05,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:59:05,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:59:05,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:59:05,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:59:05,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:59:05,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:59:05,083 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:59:05,083 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:59:05,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:59:05,084 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:59:05,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:59:05,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:59:05,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:59:05,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:59:05,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:05,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:59:05,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:59:05,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:59:05,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:59:05,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:59:05,086 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:59:05,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:59:05,087 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:59:05,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:59:05,087 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:59:05,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 03:59:05,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:59:05,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:59:05,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:59:05,418 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:59:05,419 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:59:05,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2023-08-29 03:59:06,627 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:59:06,907 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:59:06,907 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2023-08-29 03:59:06,931 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffad80345/e6b751ebffbd42518cbefd8fac52d33a/FLAGfb9db4551 [2023-08-29 03:59:07,194 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffad80345/e6b751ebffbd42518cbefd8fac52d33a [2023-08-29 03:59:07,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:59:07,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:59:07,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:07,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:59:07,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:59:07,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f6a9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07, skipping insertion in model container [2023-08-29 03:59:07,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:59:07,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:59:07,628 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_longest.i[43296,43309] [2023-08-29 03:59:07,631 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_longest.i[43503,43516] [2023-08-29 03:59:07,634 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_longest.i[43783,43796] [2023-08-29 03:59:07,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:07,647 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:59:07,720 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_longest.i[43296,43309] [2023-08-29 03:59:07,731 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_longest.i[43503,43516] [2023-08-29 03:59:07,734 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_longest.i[43783,43796] [2023-08-29 03:59:07,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:07,804 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:59:07,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07 WrapperNode [2023-08-29 03:59:07,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:07,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:07,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:59:07,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:59:07,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,891 INFO L138 Inliner]: procedures = 274, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 483 [2023-08-29 03:59:07,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:07,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:59:07,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:59:07,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:59:07,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,985 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:07,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:08,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:59:08,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:59:08,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:59:08,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:59:08,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (1/1) ... [2023-08-29 03:59:08,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:08,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:59:08,033 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) [2023-08-29 03:59:08,059 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 [2023-08-29 03:59:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-29 03:59:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-29 03:59:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-29 03:59:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-29 03:59:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:59:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:59:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:59:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:59:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 03:59:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:59:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:59:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:59:08,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:59:08,079 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:59:08,311 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:59:08,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:59:09,073 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:59:09,089 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:59:09,092 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 03:59:09,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:09 BoogieIcfgContainer [2023-08-29 03:59:09,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:59:09,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:59:09,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:59:09,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:59:09,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:59:07" (1/3) ... [2023-08-29 03:59:09,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f5fafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:09, skipping insertion in model container [2023-08-29 03:59:09,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:07" (2/3) ... [2023-08-29 03:59:09,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f5fafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:09, skipping insertion in model container [2023-08-29 03:59:09,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:09" (3/3) ... [2023-08-29 03:59:09,105 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2023-08-29 03:59:09,113 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:59:09,123 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:59:09,124 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-08-29 03:59:09,124 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:59:09,307 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:59:09,312 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) [2023-08-29 03:59:09,317 INFO L158 Benchmark]: Toolchain (without parser) took 2119.42ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 43.0MB in the beginning and 36.1MB in the end (delta: 6.9MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-08-29 03:59:09,318 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:59:09,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.67ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 54.2MB in the end (delta: -11.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-08-29 03:59:09,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.24ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 48.4MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 03:59:09,321 INFO L158 Benchmark]: Boogie Preprocessor took 109.36ms. Allocated memory is still 90.2MB. Free memory was 48.4MB in the beginning and 43.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:59:09,321 INFO L158 Benchmark]: RCFGBuilder took 1093.59ms. Allocated memory is still 90.2MB. Free memory was 43.0MB in the beginning and 47.2MB in the end (delta: -4.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-08-29 03:59:09,323 INFO L158 Benchmark]: TraceAbstraction took 217.63ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 36.1MB in the end (delta: 10.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-08-29 03:59:09,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.67ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 54.2MB in the end (delta: -11.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.24ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 48.4MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.36ms. Allocated memory is still 90.2MB. Free memory was 48.4MB in the beginning and 43.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1093.59ms. Allocated memory is still 90.2MB. Free memory was 43.0MB in the beginning and 47.2MB in the end (delta: -4.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * TraceAbstraction took 217.63ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 36.1MB in the end (delta: 10.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 03:59:09,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/queue_longest.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --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 [2023-08-29 03:59:11,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:59:11,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:59:11,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:59:11,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:59:11,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:59:11,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:59:11,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:59:11,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:59:11,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:59:11,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:59:11,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:59:11,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:59:11,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:59:11,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:59:11,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:59:11,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:59:11,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:59:11,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:59:11,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:59:11,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:59:11,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:59:11,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:59:11,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:59:11,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:59:11,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:59:11,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:59:11,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:59:11,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:59:11,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:59:11,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:59:11,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:59:11,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:59:11,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:59:11,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:59:11,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:59:11,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:59:11,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:59:11,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:59:11,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:59:11,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:59:11,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 03:59:11,395 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:59:11,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:59:11,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:59:11,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:59:11,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:59:11,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:59:11,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:59:11,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:59:11,399 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:59:11,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:59:11,400 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:59:11,400 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:59:11,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:59:11,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:59:11,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:59:11,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:59:11,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:59:11,401 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:59:11,401 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 03:59:11,402 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 03:59:11,402 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:59:11,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:59:11,402 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:59:11,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:59:11,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:59:11,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:59:11,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:59:11,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:11,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:59:11,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:59:11,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:59:11,404 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 03:59:11,404 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 03:59:11,405 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:59:11,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:59:11,405 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:59:11,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:59:11,405 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 03:59:11,405 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:59:11,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 03:59:11,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:59:11,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:59:11,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:59:11,707 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:59:11,707 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:59:11,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2023-08-29 03:59:12,929 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:59:13,255 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:59:13,256 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2023-08-29 03:59:13,268 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d1729e6/fc0d91c020f1489698a8d919e91b2f4d/FLAG1d6d3cae6 [2023-08-29 03:59:13,283 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d1729e6/fc0d91c020f1489698a8d919e91b2f4d [2023-08-29 03:59:13,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:59:13,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:59:13,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:13,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:59:13,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:59:13,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:13" (1/1) ... [2023-08-29 03:59:13,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752670d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:13, skipping insertion in model container [2023-08-29 03:59:13,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:13" (1/1) ... [2023-08-29 03:59:13,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:59:13,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:59:13,871 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_longest.i[43296,43309] [2023-08-29 03:59:13,876 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_longest.i[43503,43516] [2023-08-29 03:59:13,880 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_longest.i[43783,43796] [2023-08-29 03:59:13,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:13,903 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:59:13,956 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i[43296,43309] [2023-08-29 03:59:13,958 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_longest.i[43503,43516] [2023-08-29 03:59:13,962 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_longest.i[43783,43796] [2023-08-29 03:59:13,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:14,026 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:59:14,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14 WrapperNode [2023-08-29 03:59:14,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:14,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:14,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:59:14,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:59:14,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,142 INFO L138 Inliner]: procedures = 278, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 477 [2023-08-29 03:59:14,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:14,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:59:14,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:59:14,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:59:14,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,227 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:59:14,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:59:14,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:59:14,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:59:14,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (1/1) ... [2023-08-29 03:59:14,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:14,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:59:14,286 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) [2023-08-29 03:59:14,308 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 [2023-08-29 03:59:14,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 03:59:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-29 03:59:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-29 03:59:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-29 03:59:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-29 03:59:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:59:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:59:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 03:59:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 03:59:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-29 03:59:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 03:59:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:59:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:59:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:59:14,330 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:59:14,517 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:59:14,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:59:15,470 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:59:15,482 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:59:15,482 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 03:59:15,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:15 BoogieIcfgContainer [2023-08-29 03:59:15,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:59:15,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:59:15,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:59:15,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:59:15,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:59:13" (1/3) ... [2023-08-29 03:59:15,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a715930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:15, skipping insertion in model container [2023-08-29 03:59:15,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:14" (2/3) ... [2023-08-29 03:59:15,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a715930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:15, skipping insertion in model container [2023-08-29 03:59:15,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:15" (3/3) ... [2023-08-29 03:59:15,493 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2023-08-29 03:59:15,500 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:59:15,508 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:59:15,508 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-08-29 03:59:15,508 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:59:15,748 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:59:15,754 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) [2023-08-29 03:59:15,760 INFO L158 Benchmark]: Toolchain (without parser) took 2472.67ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 49.0MB in the beginning and 58.5MB in the end (delta: -9.5MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2023-08-29 03:59:15,760 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 58.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:59:15,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 739.87ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 32.5MB in the end (delta: 16.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-08-29 03:59:15,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.39ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 32.5MB in the beginning and 63.1MB in the end (delta: -30.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-08-29 03:59:15,762 INFO L158 Benchmark]: Boogie Preprocessor took 88.29ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 56.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 03:59:15,763 INFO L158 Benchmark]: RCFGBuilder took 1249.26ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 51.5MB in the end (delta: 5.2MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:15,764 INFO L158 Benchmark]: TraceAbstraction took 271.08ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 50.5MB in the beginning and 58.5MB in the end (delta: -8.0MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-08-29 03:59:15,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 58.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 739.87ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 32.5MB in the end (delta: 16.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.39ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 32.5MB in the beginning and 63.1MB in the end (delta: -30.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.29ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 56.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1249.26ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 51.5MB in the end (delta: 5.2MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * TraceAbstraction took 271.08ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 50.5MB in the beginning and 58.5MB in the end (delta: -8.0MB). Peak memory consumption was 25.3MB. 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. [2023-08-29 03:59:15,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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