./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/bench-exp2x4.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/bench-exp2x4.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 f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 --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 09:11:33,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:11:33,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:11:33,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:11:33,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:11:33,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:11:33,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:11:33,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:11:33,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:11:33,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:11:33,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:11:33,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:11:33,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:11:33,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:11:33,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:11:33,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:11:33,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:11:33,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:11:33,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:11:33,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:11:33,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:11:33,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:11:33,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:11:33,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:11:33,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:11:33,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:11:33,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:11:33,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:11:33,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:11:33,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:11:33,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:11:33,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:11:33,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:11:33,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:11:33,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:11:33,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:11:33,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:11:33,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:11:33,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:11:33,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:11:33,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:11:33,299 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:11:33,331 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:11:33,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:11:33,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:11:33,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:11:33,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:11:33,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:11:33,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:11:33,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:11:33,335 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:11:33,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:11:33,336 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:11:33,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:11:33,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:11:33,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:11:33,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:11:33,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:11:33,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:11:33,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:11:33,338 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:11:33,338 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:11:33,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:11:33,339 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:11:33,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:11:33,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:11:33,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:11:33,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:11:33,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:11:33,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:11:33,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:11:33,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:11:33,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:11:33,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:11:33,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:11:33,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:11:33,342 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:11:33,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:11:33,342 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:11:33,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:11:33,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:11:33,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:11:33,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:11:33,705 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:11:33,706 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:11:33,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2023-08-29 09:11:34,846 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:11:35,052 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:11:35,052 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2023-08-29 09:11:35,063 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fbb394c0/3c59c4bb79944e60adc9159d2fdeabcd/FLAG29f55d665 [2023-08-29 09:11:35,092 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fbb394c0/3c59c4bb79944e60adc9159d2fdeabcd [2023-08-29 09:11:35,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:11:35,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:11:35,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:11:35,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:11:35,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:11:35,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75428b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35, skipping insertion in model container [2023-08-29 09:11:35,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:11:35,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:11:35,275 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/bench-exp2x4.wvr.c[2309,2322] [2023-08-29 09:11:35,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:11:35,285 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:11:35,313 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/bench-exp2x4.wvr.c[2309,2322] [2023-08-29 09:11:35,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:11:35,329 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:11:35,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35 WrapperNode [2023-08-29 09:11:35,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:11:35,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:11:35,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:11:35,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:11:35,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,369 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 172 [2023-08-29 09:11:35,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:11:35,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:11:35,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:11:35,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:11:35,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:11:35,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:11:35,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:11:35,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:11:35,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:11:35,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:11:35,454 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 09:11:35,486 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 09:11:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:11:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:11:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:11:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:11:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:11:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:11:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:11:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-29 09:11:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-29 09:11:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:11:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:11:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:11:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:11:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:11:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:11:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:11:35,507 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 09:11:35,680 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:11:35,691 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:11:36,094 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:11:36,102 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:11:36,103 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 09:11:36,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:11:36 BoogieIcfgContainer [2023-08-29 09:11:36,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:11:36,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:11:36,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:11:36,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:11:36,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:11:35" (1/3) ... [2023-08-29 09:11:36,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6621b579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:11:36, skipping insertion in model container [2023-08-29 09:11:36,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (2/3) ... [2023-08-29 09:11:36,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6621b579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:11:36, skipping insertion in model container [2023-08-29 09:11:36,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:11:36" (3/3) ... [2023-08-29 09:11:36,112 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2023-08-29 09:11:36,119 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:11:36,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:11:36,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 51 error locations. [2023-08-29 09:11:36,129 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:11:36,277 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 09:11:36,284 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 09:11:36,299 INFO L158 Benchmark]: Toolchain (without parser) took 1191.11ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 29.5MB in the end (delta: 34.0MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,299 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:11:36,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.23ms. Allocated memory is still 86.0MB. Free memory was 63.2MB in the beginning and 51.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.33ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 49.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,302 INFO L158 Benchmark]: Boogie Preprocessor took 52.36ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 47.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,303 INFO L158 Benchmark]: RCFGBuilder took 681.57ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,303 INFO L158 Benchmark]: TraceAbstraction took 179.81ms. Allocated memory is still 86.0MB. Free memory was 44.1MB in the beginning and 29.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,306 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 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.23ms. Allocated memory is still 86.0MB. Free memory was 63.2MB in the beginning and 51.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.33ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 49.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.36ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 47.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.57ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 179.81ms. Allocated memory is still 86.0MB. Free memory was 44.1MB in the beginning and 29.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:11:36,336 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/bench-exp2x4.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 f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 --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 09:11:38,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:11:38,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:11:38,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:11:38,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:11:38,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:11:38,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:11:38,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:11:38,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:11:38,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:11:38,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:11:38,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:11:38,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:11:38,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:11:38,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:11:38,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:11:38,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:11:38,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:11:38,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:11:38,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:11:38,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:11:38,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:11:38,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:11:38,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:11:38,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:11:38,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:11:38,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:11:38,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:11:38,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:11:38,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:11:38,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:11:38,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:11:38,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:11:38,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:11:38,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:11:38,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:11:38,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:11:38,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:11:38,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:11:38,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:11:38,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:11:38,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:11:38,436 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:11:38,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:11:38,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:11:38,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:11:38,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:11:38,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:11:38,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:11:38,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:11:38,439 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:11:38,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:11:38,440 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:11:38,440 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:11:38,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:11:38,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:11:38,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:11:38,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:11:38,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:11:38,442 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:11:38,442 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:11:38,442 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:11:38,442 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:11:38,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:11:38,443 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:11:38,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:11:38,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:11:38,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:11:38,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:11:38,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:11:38,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:11:38,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:11:38,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:11:38,444 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:11:38,445 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:11:38,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:11:38,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:11:38,445 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:11:38,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:11:38,446 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:11:38,446 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:11:38,446 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:11:38,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:11:38,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:11:38,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:11:38,760 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:11:38,761 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:11:38,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2023-08-29 09:11:39,902 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:11:40,087 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:11:40,089 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2023-08-29 09:11:40,097 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f87b2c52c/a67a359b4ac746c992f03d3ebb4c80e2/FLAGda3ae2910 [2023-08-29 09:11:40,116 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f87b2c52c/a67a359b4ac746c992f03d3ebb4c80e2 [2023-08-29 09:11:40,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:11:40,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:11:40,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:11:40,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:11:40,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:11:40,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b897bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40, skipping insertion in model container [2023-08-29 09:11:40,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:11:40,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:11:40,298 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/bench-exp2x4.wvr.c[2309,2322] [2023-08-29 09:11:40,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:11:40,310 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:11:40,339 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/bench-exp2x4.wvr.c[2309,2322] [2023-08-29 09:11:40,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:11:40,354 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:11:40,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40 WrapperNode [2023-08-29 09:11:40,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:11:40,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:11:40,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:11:40,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:11:40,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,412 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 172 [2023-08-29 09:11:40,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:11:40,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:11:40,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:11:40,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:11:40,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,467 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:11:40,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:11:40,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:11:40,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:11:40,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:11:40,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:11:40,515 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 09:11:40,523 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 09:11:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:11:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:11:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:11:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:11:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:11:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:11:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:11:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:11:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-29 09:11:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-29 09:11:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:11:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:11:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:11:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:11:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:11:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:11:40,554 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 09:11:40,735 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:11:40,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:11:41,255 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:11:41,269 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:11:41,271 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 09:11:41,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:11:41 BoogieIcfgContainer [2023-08-29 09:11:41,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:11:41,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:11:41,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:11:41,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:11:41,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:11:40" (1/3) ... [2023-08-29 09:11:41,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c567ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:11:41, skipping insertion in model container [2023-08-29 09:11:41,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (2/3) ... [2023-08-29 09:11:41,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c567ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:11:41, skipping insertion in model container [2023-08-29 09:11:41,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:11:41" (3/3) ... [2023-08-29 09:11:41,283 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2023-08-29 09:11:41,292 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:11:41,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:11:41,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 51 error locations. [2023-08-29 09:11:41,301 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:11:41,461 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 09:11:41,470 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 09:11:41,476 INFO L158 Benchmark]: Toolchain (without parser) took 1355.47ms. Allocated memory is still 79.7MB. Free memory was 61.3MB in the beginning and 40.3MB in the end (delta: 21.0MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,476 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:11:41,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.90ms. Allocated memory is still 79.7MB. Free memory was 61.0MB in the beginning and 48.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.67ms. Allocated memory is still 79.7MB. Free memory was 48.5MB in the beginning and 46.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,478 INFO L158 Benchmark]: Boogie Preprocessor took 68.01ms. Allocated memory is still 79.7MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,479 INFO L158 Benchmark]: RCFGBuilder took 792.45ms. Allocated memory is still 79.7MB. Free memory was 44.0MB in the beginning and 35.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,479 INFO L158 Benchmark]: TraceAbstraction took 196.80ms. Allocated memory is still 79.7MB. Free memory was 35.3MB in the beginning and 40.3MB in the end (delta: -5.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.90ms. Allocated memory is still 79.7MB. Free memory was 61.0MB in the beginning and 48.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.67ms. Allocated memory is still 79.7MB. Free memory was 48.5MB in the beginning and 46.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.01ms. Allocated memory is still 79.7MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 792.45ms. Allocated memory is still 79.7MB. Free memory was 44.0MB in the beginning and 35.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 196.80ms. Allocated memory is still 79.7MB. Free memory was 35.3MB in the beginning and 40.3MB in the end (delta: -5.0MB). Peak memory consumption was 7.9MB. 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 09:11:41,514 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