./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread/queue_ok.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.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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --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 12:16:55,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:16:55,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:16:55,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:16:55,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:16:55,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:16:55,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:16:55,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:16:55,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:16:55,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:16:55,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:16:55,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:16:55,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:16:55,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:16:55,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:16:55,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:16:55,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:16:55,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:16:55,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:16:55,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:16:55,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:16:55,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:16:55,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:16:55,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:16:55,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:16:55,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:16:55,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:16:55,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:16:55,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:16:55,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:16:55,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:16:55,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:16:55,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:16:55,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:16:55,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:16:55,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:16:55,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:16:55,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:16:55,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:16:55,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:16:55,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:16:55,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:16:55,876 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:16:55,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:16:55,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:16:55,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:16:55,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:16:55,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:16:55,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:16:55,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:16:55,879 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:16:55,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:16:55,880 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:16:55,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:16:55,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:16:55,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:16:55,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:16:55,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:16:55,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:16:55,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:16:55,881 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:16:55,881 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:16:55,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:16:55,882 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:16:55,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:16:55,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:16:55,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:16:55,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:16:55,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:16:55,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:16:55,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:16:55,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:16:55,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:16:55,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:16:55,883 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:16:55,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:16:55,884 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:16:55,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:16:55,884 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:16:55,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:16:56,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:16:56,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:16:56,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:16:56,153 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:16:56,153 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:16:56,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2023-08-30 12:16:57,052 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:16:57,267 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:16:57,268 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i [2023-08-30 12:16:57,281 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d639e3946/38fb0c6b625f48eea7ade4ee6ad0bcc7/FLAGc55d14d7f [2023-08-30 12:16:57,292 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d639e3946/38fb0c6b625f48eea7ade4ee6ad0bcc7 [2023-08-30 12:16:57,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:16:57,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:16:57,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:16:57,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:16:57,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:16:57,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1feefc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57, skipping insertion in model container [2023-08-30 12:16:57,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:16:57,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:16:57,633 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.i[43266,43279] [2023-08-30 12:16:57,637 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.i[43543,43556] [2023-08-30 12:16:57,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:16:57,649 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:16:57,707 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i[43266,43279] [2023-08-30 12:16:57,712 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.i[43543,43556] [2023-08-30 12:16:57,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:16:57,775 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:16:57,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57 WrapperNode [2023-08-30 12:16:57,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:16:57,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:16:57,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:16:57,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:16:57,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,838 INFO L138 Inliner]: procedures = 274, calls = 57, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 215 [2023-08-30 12:16:57,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:16:57,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:16:57,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:16:57,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:16:57,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:16:57,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:16:57,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:16:57,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:16:57,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (1/1) ... [2023-08-30 12:16:57,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:16:57,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:16:57,914 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 12:16:57,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 12:16:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:16:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:16:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:16:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:16:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:16:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:16:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:16:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:16:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:16:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:16:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:16:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:16:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:16:57,944 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 12:16:58,076 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:16:58,086 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:16:58,400 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:16:58,405 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:16:58,406 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:16:58,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:16:58 BoogieIcfgContainer [2023-08-30 12:16:58,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:16:58,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:16:58,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:16:58,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:16:58,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:16:57" (1/3) ... [2023-08-30 12:16:58,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f25cfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:16:58, skipping insertion in model container [2023-08-30 12:16:58,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:57" (2/3) ... [2023-08-30 12:16:58,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f25cfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:16:58, skipping insertion in model container [2023-08-30 12:16:58,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:16:58" (3/3) ... [2023-08-30 12:16:58,412 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2023-08-30 12:16:58,420 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:16:58,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:16:58,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-08-30 12:16:58,426 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:16:58,518 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:16:58,523 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 12:16:58,527 INFO L158 Benchmark]: Toolchain (without parser) took 1231.99ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 38.7MB in the end (delta: 21.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-08-30 12:16:58,528 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:16:58,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.61ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 49.5MB in the end (delta: 10.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-08-30 12:16:58,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.95ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 46.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:16:58,530 INFO L158 Benchmark]: Boogie Preprocessor took 47.79ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:16:58,530 INFO L158 Benchmark]: RCFGBuilder took 514.27ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 53.5MB in the end (delta: -9.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-08-30 12:16:58,531 INFO L158 Benchmark]: TraceAbstraction took 117.77ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 38.7MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:16:58,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.61ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 49.5MB in the end (delta: 10.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.95ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 46.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.79ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.27ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 53.5MB in the end (delta: -9.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * TraceAbstraction took 117.77ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 38.7MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:16:58,554 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_ok.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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --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 12:17:00,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:00,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:00,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:00,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:00,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:00,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:00,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:00,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:00,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:00,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:00,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:00,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:00,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:00,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:00,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:00,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:00,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:00,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:00,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:00,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:00,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:00,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:00,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:00,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:00,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:00,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:00,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:00,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:00,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:00,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:00,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:00,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:00,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:00,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:00,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:00,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:00,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:00,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:00,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:00,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:00,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:17:00,133 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:00,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:00,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:00,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:00,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:00,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:00,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:00,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:00,135 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:00,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:00,136 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:00,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:00,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:00,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:00,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:00,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:00,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:00,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:17:00,137 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:17:00,138 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:00,138 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:17:00,138 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:00,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:00,138 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:00,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:00,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:00,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:00,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:00,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:00,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:00,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:00,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:00,140 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:17:00,140 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:17:00,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:00,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:00,140 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:00,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:00,140 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:17:00,141 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:00,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:00,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:00,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:00,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:00,403 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:00,404 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:00,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2023-08-30 12:17:01,282 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:01,451 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:01,451 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i [2023-08-30 12:17:01,467 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26acc539c/cdb5509f489f443d9669e01db3786208/FLAG4d1e5ef52 [2023-08-30 12:17:01,476 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26acc539c/cdb5509f489f443d9669e01db3786208 [2023-08-30 12:17:01,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:01,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:01,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:01,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:01,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:01,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:01,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6615eba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01, skipping insertion in model container [2023-08-30 12:17:01,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:01,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:01,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:01,850 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.i[43266,43279] [2023-08-30 12:17:01,852 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.i[43543,43556] [2023-08-30 12:17:01,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:01,863 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:01,894 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.i[43266,43279] [2023-08-30 12:17:01,897 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.i[43543,43556] [2023-08-30 12:17:01,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:01,947 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:01,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01 WrapperNode [2023-08-30 12:17:01,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:01,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:01,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:01,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:01,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:01,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,001 INFO L138 Inliner]: procedures = 278, calls = 57, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 211 [2023-08-30 12:17:02,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:02,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:02,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:02,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:02,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,033 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:02,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:02,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:02,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:02,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (1/1) ... [2023-08-30 12:17:02,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:02,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:02,076 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 12:17:02,098 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 12:17:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:17:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:17:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:17:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:17:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:17:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:17:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:17:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:17:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:17:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:02,108 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 12:17:02,249 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:02,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:02,531 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:02,537 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:02,539 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:17:02,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:02 BoogieIcfgContainer [2023-08-30 12:17:02,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:17:02,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:17:02,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:17:02,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:17:02,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:17:01" (1/3) ... [2023-08-30 12:17:02,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c53d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:02, skipping insertion in model container [2023-08-30 12:17:02,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:01" (2/3) ... [2023-08-30 12:17:02,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c53d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:02, skipping insertion in model container [2023-08-30 12:17:02,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:02" (3/3) ... [2023-08-30 12:17:02,553 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2023-08-30 12:17:02,558 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:17:02,564 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:17:02,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-08-30 12:17:02,565 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:17:02,644 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:17:02,648 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 12:17:02,652 INFO L158 Benchmark]: Toolchain (without parser) took 1172.77ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 34.4MB in the end (delta: 16.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-08-30 12:17:02,653 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:02,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.96ms. Allocated memory is still 75.5MB. Free memory was 50.9MB in the beginning and 37.2MB in the end (delta: 13.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-08-30 12:17:02,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.31ms. Allocated memory is still 75.5MB. Free memory was 37.2MB in the beginning and 34.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:02,654 INFO L158 Benchmark]: Boogie Preprocessor took 51.00ms. Allocated memory is still 75.5MB. Free memory was 34.2MB in the beginning and 54.0MB in the end (delta: -19.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-08-30 12:17:02,655 INFO L158 Benchmark]: RCFGBuilder took 488.47ms. Allocated memory is still 75.5MB. Free memory was 54.0MB in the beginning and 29.8MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:02,656 INFO L158 Benchmark]: TraceAbstraction took 107.55ms. Allocated memory is still 75.5MB. Free memory was 29.3MB in the beginning and 34.4MB in the end (delta: -5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:17:02,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.96ms. Allocated memory is still 75.5MB. Free memory was 50.9MB in the beginning and 37.2MB in the end (delta: 13.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.31ms. Allocated memory is still 75.5MB. Free memory was 37.2MB in the beginning and 34.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.00ms. Allocated memory is still 75.5MB. Free memory was 34.2MB in the beginning and 54.0MB in the end (delta: -19.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 488.47ms. Allocated memory is still 75.5MB. Free memory was 54.0MB in the beginning and 29.8MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 107.55ms. Allocated memory is still 75.5MB. Free memory was 29.3MB in the beginning and 34.4MB in the end (delta: -5.2MB). Peak memory consumption was 4.2MB. 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 12:17:02,682 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