./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:27:36,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:27:36,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:27:36,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:27:36,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:27:36,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:27:36,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:27:36,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:27:36,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:27:36,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:27:36,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:27:36,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:27:36,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:27:36,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:27:36,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:27:36,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:27:36,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:27:36,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:27:36,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:27:36,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:27:36,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:27:36,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:27:36,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:27:36,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:27:36,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:27:36,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:27:36,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:27:36,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:27:36,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:27:36,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:27:36,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:27:36,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:27:36,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:27:36,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:27:36,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:27:36,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:27:36,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:27:36,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:27:36,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:27:36,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:27:36,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:27:36,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:27:36,881 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:27:36,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:27:36,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:27:36,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:27:36,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:27:36,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:27:36,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:27:36,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:27:36,884 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:27:36,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:27:36,885 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:27:36,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:27:36,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:27:36,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:27:36,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:27:36,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:27:36,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:27:36,887 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:27:36,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:27:36,887 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:27:36,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:27:36,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:27:36,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:27:36,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:27:36,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:27:36,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:27:36,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:27:36,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:27:36,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:27:36,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:27:36,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:27:36,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:27:36,890 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:27:36,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:27:36,890 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:27:36,890 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:27:37,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:27:37,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:27:37,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:27:37,230 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:27:37,231 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:27:37,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2023-08-30 22:27:38,387 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:27:38,743 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:27:38,744 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2023-08-30 22:27:38,768 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fface5ba/09fea73e1bd1495388eaa6df41e71d33/FLAG10398ac38 [2023-08-30 22:27:38,785 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fface5ba/09fea73e1bd1495388eaa6df41e71d33 [2023-08-30 22:27:38,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:27:38,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:27:38,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:27:38,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:27:38,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:27:38,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@384b0e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38, skipping insertion in model container [2023-08-30 22:27:38,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:27:38,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:27:39,335 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2023-08-30 22:27:39,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:27:39,377 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:27:39,440 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2023-08-30 22:27:39,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:27:39,530 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:27:39,530 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:27:39,536 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:27:39,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39 WrapperNode [2023-08-30 22:27:39,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:27:39,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:27:39,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:27:39,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:27:39,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,593 INFO L138 Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-08-30 22:27:39,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:27:39,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:27:39,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:27:39,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:27:39,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,618 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:27:39,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:27:39,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:27:39,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:27:39,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (1/1) ... [2023-08-30 22:27:39,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:27:39,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:27:39,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:27:39,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:27:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:27:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:27:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:27:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:27:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:27:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:27:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 22:27:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:27:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:27:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:27:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:27:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:27:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:27:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:27:39,702 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:27:40,036 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:27:40,038 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:27:40,151 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:27:40,171 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:27:40,171 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:27:40,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:27:40 BoogieIcfgContainer [2023-08-30 22:27:40,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:27:40,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:27:40,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:27:40,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:27:40,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:27:38" (1/3) ... [2023-08-30 22:27:40,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f346da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:27:40, skipping insertion in model container [2023-08-30 22:27:40,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:39" (2/3) ... [2023-08-30 22:27:40,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f346da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:27:40, skipping insertion in model container [2023-08-30 22:27:40,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:27:40" (3/3) ... [2023-08-30 22:27:40,185 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2023-08-30 22:27:40,191 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:27:40,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:27:40,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 22:27:40,198 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:27:40,239 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 22:27:40,244 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:27:40,248 INFO L158 Benchmark]: Toolchain (without parser) took 1458.94ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.5MB in the beginning and 44.9MB in the end (delta: 7.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2023-08-30 22:27:40,249 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:27:40,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.63ms. Allocated memory is still 77.6MB. Free memory was 52.3MB in the beginning and 40.0MB in the end (delta: 12.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-08-30 22:27:40,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.99ms. Allocated memory is still 77.6MB. Free memory was 40.0MB in the beginning and 36.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:27:40,250 INFO L158 Benchmark]: Boogie Preprocessor took 30.19ms. Allocated memory is still 77.6MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:27:40,251 INFO L158 Benchmark]: RCFGBuilder took 553.94ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 51.2MB in the end (delta: -16.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-08-30 22:27:40,251 INFO L158 Benchmark]: TraceAbstraction took 65.78ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 44.9MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:27:40,254 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 58.7MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 747.63ms. Allocated memory is still 77.6MB. Free memory was 52.3MB in the beginning and 40.0MB in the end (delta: 12.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.99ms. Allocated memory is still 77.6MB. Free memory was 40.0MB in the beginning and 36.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.19ms. Allocated memory is still 77.6MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.94ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 51.2MB in the end (delta: -16.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * TraceAbstraction took 65.78ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 44.9MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. 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. [2023-08-30 22:27:40,270 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/ldv-races/race-1_2-join.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:27:42,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:27:42,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:27:42,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:27:42,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:27:42,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:27:42,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:27:42,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:27:42,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:27:42,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:27:42,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:27:42,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:27:42,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:27:42,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:27:42,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:27:42,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:27:42,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:27:42,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:27:42,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:27:42,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:27:42,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:27:42,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:27:42,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:27:42,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:27:42,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:27:42,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:27:42,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:27:42,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:27:42,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:27:42,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:27:42,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:27:42,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:27:42,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:27:42,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:27:42,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:27:42,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:27:42,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:27:42,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:27:42,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:27:42,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:27:42,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:27:42,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:27:42,275 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:27:42,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:27:42,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:27:42,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:27:42,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:27:42,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:27:42,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:27:42,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:27:42,279 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:27:42,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:27:42,280 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:27:42,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:27:42,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:27:42,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:27:42,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:27:42,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:27:42,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:27:42,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:27:42,281 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:27:42,281 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:27:42,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:27:42,282 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:27:42,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:27:42,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:27:42,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:27:42,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:27:42,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:27:42,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:27:42,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:27:42,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:27:42,283 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:27:42,284 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:27:42,284 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:27:42,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:27:42,284 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:27:42,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:27:42,285 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:27:42,285 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:27:42,285 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:27:42,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:27:42,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:27:42,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:27:42,587 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:27:42,587 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:27:42,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2023-08-30 22:27:43,789 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:27:44,030 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:27:44,031 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2023-08-30 22:27:44,055 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d596d3963/48f3117144e041ca9259d89cf0198ce9/FLAGc272e4feb [2023-08-30 22:27:44,074 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d596d3963/48f3117144e041ca9259d89cf0198ce9 [2023-08-30 22:27:44,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:27:44,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:27:44,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:27:44,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:27:44,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:27:44,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a549f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44, skipping insertion in model container [2023-08-30 22:27:44,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:27:44,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:27:44,654 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2023-08-30 22:27:44,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:27:44,685 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:27:44,737 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2023-08-30 22:27:44,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:27:44,853 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:27:44,853 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:27:44,859 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:27:44,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44 WrapperNode [2023-08-30 22:27:44,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:27:44,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:27:44,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:27:44,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:27:44,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,930 INFO L138 Inliner]: procedures = 486, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-08-30 22:27:44,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:27:44,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:27:44,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:27:44,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:27:44,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:44,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:27:44,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:27:44,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:27:44,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:27:44,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (1/1) ... [2023-08-30 22:27:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:27:45,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:27:45,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:27:45,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:27:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:27:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:27:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:27:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:27:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:27:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:27:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:27:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 22:27:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:27:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:27:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:27:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:27:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:27:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:27:45,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:27:45,070 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:27:45,428 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:27:45,430 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:27:45,568 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:27:45,591 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:27:45,592 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:27:45,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:27:45 BoogieIcfgContainer [2023-08-30 22:27:45,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:27:45,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:27:45,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:27:45,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:27:45,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:27:44" (1/3) ... [2023-08-30 22:27:45,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a39078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:27:45, skipping insertion in model container [2023-08-30 22:27:45,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:44" (2/3) ... [2023-08-30 22:27:45,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a39078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:27:45, skipping insertion in model container [2023-08-30 22:27:45,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:27:45" (3/3) ... [2023-08-30 22:27:45,601 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2023-08-30 22:27:45,607 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:27:45,628 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:27:45,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 22:27:45,629 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:27:45,705 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 22:27:45,710 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:27:45,714 INFO L158 Benchmark]: Toolchain (without parser) took 1635.84ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 55.9MB in the beginning and 57.0MB in the end (delta: -1.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-08-30 22:27:45,715 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:27:45,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.84ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 36.3MB in the end (delta: 19.6MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-08-30 22:27:45,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.65ms. Allocated memory is still 79.7MB. Free memory was 36.3MB in the beginning and 33.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:27:45,716 INFO L158 Benchmark]: Boogie Preprocessor took 49.96ms. Allocated memory is still 79.7MB. Free memory was 33.1MB in the beginning and 51.5MB in the end (delta: -18.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-08-30 22:27:45,717 INFO L158 Benchmark]: RCFGBuilder took 610.62ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.5MB in the beginning and 64.5MB in the end (delta: -13.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-30 22:27:45,718 INFO L158 Benchmark]: TraceAbstraction took 117.32ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 57.0MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:27:45,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.84ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 36.3MB in the end (delta: 19.6MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.65ms. Allocated memory is still 79.7MB. Free memory was 36.3MB in the beginning and 33.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.96ms. Allocated memory is still 79.7MB. Free memory was 33.1MB in the beginning and 51.5MB in the end (delta: -18.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 610.62ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.5MB in the beginning and 64.5MB in the end (delta: -13.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 117.32ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 57.0MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:27:45,741 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