./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-word-subst.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-word-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:12:51,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:12:51,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:12:51,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:12:51,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:12:51,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:12:51,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:12:51,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:12:51,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:12:51,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:12:51,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:12:51,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:12:51,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:12:51,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:12:51,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:12:51,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:12:51,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:12:51,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:12:51,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:12:51,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:12:51,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:12:51,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:12:51,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:12:51,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:12:51,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:12:51,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:12:51,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:12:51,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:12:51,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:12:51,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:12:51,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:12:51,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:12:51,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:12:51,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:12:51,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:12:51,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:12:51,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:12:51,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:12:51,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:12:51,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:12:51,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:12:51,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:12:51,479 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:12:51,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:12:51,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:12:51,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:12:51,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:12:51,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:12:51,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:12:51,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:12:51,483 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:12:51,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:12:51,484 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:12:51,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:12:51,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:12:51,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:12:51,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:12:51,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:12:51,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:12:51,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:12:51,485 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:12:51,486 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:12:51,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:12:51,486 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:12:51,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:12:51,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:12:51,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:12:51,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:12:51,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:51,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:12:51,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:12:51,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:12:51,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:12:51,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:12:51,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:12:51,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:12:51,489 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:12:51,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:12:51,489 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:12:51,489 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:12:51,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:12:51,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:12:51,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:12:51,827 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:12:51,828 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:12:51,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-word-subst.wvr.c [2023-08-29 09:12:52,908 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:12:53,120 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:12:53,121 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-subst.wvr.c [2023-08-29 09:12:53,127 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d80009d/d485e1899dfe4b39909e0850931b2271/FLAG8930b8b04 [2023-08-29 09:12:53,137 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d80009d/d485e1899dfe4b39909e0850931b2271 [2023-08-29 09:12:53,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:12:53,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:12:53,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:53,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:12:53,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:12:53,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63009d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53, skipping insertion in model container [2023-08-29 09:12:53,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:12:53,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:12:53,420 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-subst.wvr.c[3345,3358] [2023-08-29 09:12:53,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:53,442 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:12:53,497 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-subst.wvr.c[3345,3358] [2023-08-29 09:12:53,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:53,523 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:12:53,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53 WrapperNode [2023-08-29 09:12:53,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:53,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:53,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:12:53,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:12:53,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,594 INFO L138 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 277 [2023-08-29 09:12:53,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:53,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:12:53,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:12:53,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:12:53,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,668 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:12:53,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:12:53,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:12:53,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:12:53,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (1/1) ... [2023-08-29 09:12:53,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:53,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:12:53,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:12:53,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:12:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:12:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:12:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:12:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:12:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:12:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:12:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:12:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:12:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:12:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:12:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:12:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:12:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:12:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:12:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:12:53,762 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:12:53,886 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:12:53,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:12:54,754 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:12:54,771 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:12:54,772 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 09:12:54,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:12:54 BoogieIcfgContainer [2023-08-29 09:12:54,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:12:54,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:12:54,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:12:54,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:12:54,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:12:53" (1/3) ... [2023-08-29 09:12:54,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6febaf2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:12:54, skipping insertion in model container [2023-08-29 09:12:54,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:53" (2/3) ... [2023-08-29 09:12:54,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6febaf2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:12:54, skipping insertion in model container [2023-08-29 09:12:54,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:12:54" (3/3) ... [2023-08-29 09:12:54,784 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-subst.wvr.c [2023-08-29 09:12:54,797 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:12:54,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:12:54,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2023-08-29 09:12:54,805 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:12:54,936 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 09:12:54,942 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:12:54,948 INFO L158 Benchmark]: Toolchain (without parser) took 1806.36ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 55.0MB in the beginning and 38.1MB in the end (delta: 17.0MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-08-29 09:12:54,949 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:12:54,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.80ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 41.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:12:54,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.16ms. Allocated memory is still 77.6MB. Free memory was 40.7MB in the beginning and 38.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:12:54,951 INFO L158 Benchmark]: Boogie Preprocessor took 89.97ms. Allocated memory is still 77.6MB. Free memory was 38.0MB in the beginning and 55.0MB in the end (delta: -16.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-08-29 09:12:54,952 INFO L158 Benchmark]: RCFGBuilder took 1087.81ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 30.8MB in the end (delta: 24.1MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-08-29 09:12:54,953 INFO L158 Benchmark]: TraceAbstraction took 168.89ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 30.1MB in the beginning and 38.1MB in the end (delta: -8.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-08-29 09:12:54,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.80ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 41.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.16ms. Allocated memory is still 77.6MB. Free memory was 40.7MB in the beginning and 38.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.97ms. Allocated memory is still 77.6MB. Free memory was 38.0MB in the beginning and 55.0MB in the end (delta: -16.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1087.81ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 30.8MB in the end (delta: 24.1MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * TraceAbstraction took 168.89ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 30.1MB in the beginning and 38.1MB in the end (delta: -8.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:12:54,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-word-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:12:56,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:12:56,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:12:56,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:12:56,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:12:56,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:12:56,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:12:56,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:12:56,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:12:56,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:12:56,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:12:56,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:12:56,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:12:56,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:12:56,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:12:56,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:12:56,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:12:56,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:12:56,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:12:56,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:12:56,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:12:56,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:12:56,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:12:56,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:12:56,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:12:56,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:12:56,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:12:56,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:12:56,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:12:56,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:12:56,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:12:56,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:12:56,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:12:56,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:12:56,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:12:56,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:12:56,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:12:56,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:12:56,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:12:56,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:12:56,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:12:56,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:12:57,008 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:12:57,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:12:57,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:12:57,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:12:57,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:12:57,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:12:57,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:12:57,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:12:57,012 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:12:57,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:12:57,014 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:12:57,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:12:57,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:12:57,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:12:57,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:12:57,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:12:57,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:12:57,015 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:12:57,015 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:12:57,016 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:12:57,016 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:12:57,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:12:57,016 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:12:57,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:12:57,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:12:57,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:12:57,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:12:57,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:57,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:12:57,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:12:57,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:12:57,018 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:12:57,019 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:12:57,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:12:57,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:12:57,020 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:12:57,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:12:57,020 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:12:57,020 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:12:57,020 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:12:57,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:12:57,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:12:57,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:12:57,343 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:12:57,343 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:12:57,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-word-subst.wvr.c [2023-08-29 09:12:58,516 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:12:58,692 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:12:58,693 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-subst.wvr.c [2023-08-29 09:12:58,700 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629e8deb6/03ace857859e4fd098f581cf168f3491/FLAGf65a33450 [2023-08-29 09:12:58,725 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629e8deb6/03ace857859e4fd098f581cf168f3491 [2023-08-29 09:12:58,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:12:58,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:12:58,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:58,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:12:58,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:12:58,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:58" (1/1) ... [2023-08-29 09:12:58,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d76b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:58, skipping insertion in model container [2023-08-29 09:12:58,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:58" (1/1) ... [2023-08-29 09:12:58,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:12:58,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:12:59,026 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-subst.wvr.c[3345,3358] [2023-08-29 09:12:59,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:59,055 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:12:59,089 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-subst.wvr.c[3345,3358] [2023-08-29 09:12:59,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:59,104 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:12:59,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59 WrapperNode [2023-08-29 09:12:59,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:59,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:59,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:12:59,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:12:59,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,164 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 268 [2023-08-29 09:12:59,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:59,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:12:59,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:12:59,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:12:59,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:12:59,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:12:59,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:12:59,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:12:59,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (1/1) ... [2023-08-29 09:12:59,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:59,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:12:59,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:12:59,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:12:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:12:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:12:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:12:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:12:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:12:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:12:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:12:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:12:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:12:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:12:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:12:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:12:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:12:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:12:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:12:59,333 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:12:59,515 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:12:59,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:00,544 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:00,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:00,554 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 09:13:00,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:00 BoogieIcfgContainer [2023-08-29 09:13:00,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:00,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:00,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:00,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:00,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:12:58" (1/3) ... [2023-08-29 09:13:00,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dda119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:00, skipping insertion in model container [2023-08-29 09:13:00,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:59" (2/3) ... [2023-08-29 09:13:00,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dda119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:00, skipping insertion in model container [2023-08-29 09:13:00,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:00" (3/3) ... [2023-08-29 09:13:00,575 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-subst.wvr.c [2023-08-29 09:13:00,582 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:00,590 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:00,591 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2023-08-29 09:13:00,591 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:00,749 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 09:13:00,755 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:13:00,759 INFO L158 Benchmark]: Toolchain (without parser) took 2029.56ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.2MB in the beginning and 43.5MB in the end (delta: 5.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:00,760 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:00,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.29ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 51.8MB in the end (delta: -2.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-08-29 09:13:00,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.53ms. Allocated memory is still 77.6MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:00,761 INFO L158 Benchmark]: Boogie Preprocessor took 67.42ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 44.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:13:00,762 INFO L158 Benchmark]: RCFGBuilder took 1323.27ms. Allocated memory is still 77.6MB. Free memory was 44.8MB in the beginning and 30.1MB in the end (delta: 14.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-29 09:13:00,762 INFO L158 Benchmark]: TraceAbstraction took 188.90ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 43.5MB in the end (delta: 26.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:00,765 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 54.5MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.29ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 51.8MB in the end (delta: -2.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.53ms. Allocated memory is still 77.6MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.42ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 44.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1323.27ms. Allocated memory is still 77.6MB. Free memory was 44.8MB in the beginning and 30.1MB in the end (delta: 14.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 188.90ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 43.5MB in the end (delta: 26.9MB). Peak memory consumption was 33.6MB. 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. [2023-08-29 09:13:00,783 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