./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-nzb-file-symm.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-nzb-file-symm.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 b869eaba59e8dca8d7cb2d1135193e506b8377811cada7a7f67b6d0824dd2d3d --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 09:12:19,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:12:19,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:12:19,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:12:19,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:12:19,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:12:19,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:12:19,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:12:19,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:12:19,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:12:19,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:12:19,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:12:19,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:12:19,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:12:19,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:12:19,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:12:19,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:12:19,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:12:19,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:12:19,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:12:19,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:12:19,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:12:19,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:12:19,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:12:19,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:12:19,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:12:19,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:12:19,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:12:19,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:12:19,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:12:19,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:12:19,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:12:19,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:12:19,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:12:19,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:12:19,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:12:19,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:12:19,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:12:19,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:12:19,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:12:19,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:12:19,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:12:19,974 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:12:19,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:12:19,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:12:19,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:12:19,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:12:19,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:12:19,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:12:19,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:12:19,978 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:12:19,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:12:19,979 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:12:19,979 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:12:19,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:12:19,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:12:19,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:12:19,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:12:19,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:12:19,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:12:19,980 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:12:19,980 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:12:19,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:12:19,981 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:12:19,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:12:19,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:12:19,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:12:19,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:12:19,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:19,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:12:19,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:12:19,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:12:19,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:12:19,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:12:19,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:12:19,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:12:19,984 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:12:19,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:12:19,984 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:12:19,984 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b869eaba59e8dca8d7cb2d1135193e506b8377811cada7a7f67b6d0824dd2d3d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:12:20,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:12:20,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:12:20,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:12:20,304 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:12:20,304 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:12:20,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c [2023-08-29 09:12:21,425 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:12:21,631 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:12:21,632 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c [2023-08-29 09:12:21,638 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb5912db5/5ac67d1957624d348f0c462037486431/FLAG9bf1f76f0 [2023-08-29 09:12:21,653 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb5912db5/5ac67d1957624d348f0c462037486431 [2023-08-29 09:12:21,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:12:21,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:12:21,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:21,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:12:21,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:12:21,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:21" (1/1) ... [2023-08-29 09:12:21,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dca573d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:21, skipping insertion in model container [2023-08-29 09:12:21,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:21" (1/1) ... [2023-08-29 09:12:21,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:12:21,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:12:21,938 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-nzb-file-symm.wvr.c[4929,4942] [2023-08-29 09:12:21,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:21,967 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:12:22,043 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-nzb-file-symm.wvr.c[4929,4942] [2023-08-29 09:12:22,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:22,067 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:12:22,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22 WrapperNode [2023-08-29 09:12:22,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:22,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:22,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:12:22,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:12:22,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,164 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 21, calls inlined = 29, statements flattened = 900 [2023-08-29 09:12:22,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:22,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:12:22,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:12:22,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:12:22,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,259 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:12:22,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:12:22,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:12:22,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:12:22,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (1/1) ... [2023-08-29 09:12:22,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:22,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:12:22,305 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 09:12:22,315 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 09:12:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:12:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:12:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:12:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:12:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:12:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:12:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:12:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:12:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:12:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:12:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:12:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:12:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:12:22,347 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 09:12:22,463 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:12:22,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:12:23,474 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:12:23,491 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:12:23,491 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 09:12:23,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:12:23 BoogieIcfgContainer [2023-08-29 09:12:23,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:12:23,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:12:23,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:12:23,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:12:23,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:12:21" (1/3) ... [2023-08-29 09:12:23,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7665dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:12:23, skipping insertion in model container [2023-08-29 09:12:23,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:22" (2/3) ... [2023-08-29 09:12:23,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7665dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:12:23, skipping insertion in model container [2023-08-29 09:12:23,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:12:23" (3/3) ... [2023-08-29 09:12:23,503 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-symm.wvr.c [2023-08-29 09:12:23,510 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:12:23,518 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:12:23,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 154 error locations. [2023-08-29 09:12:23,518 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:12:23,719 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:12:23,725 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 09:12:23,731 INFO L158 Benchmark]: Toolchain (without parser) took 2073.38ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 68.5MB in the beginning and 52.5MB in the end (delta: 16.0MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-08-29 09:12:23,731 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:12:23,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.37ms. Allocated memory is still 90.2MB. Free memory was 68.3MB in the beginning and 52.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 09:12:23,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.29ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 47.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:12:23,734 INFO L158 Benchmark]: Boogie Preprocessor took 98.39ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 66.1MB in the end (delta: -18.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-08-29 09:12:23,734 INFO L158 Benchmark]: RCFGBuilder took 1223.09ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 54.2MB in the end (delta: 11.9MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-08-29 09:12:23,735 INFO L158 Benchmark]: TraceAbstraction took 231.34ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.2MB in the beginning and 52.5MB in the end (delta: 722.5kB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-08-29 09:12:23,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.37ms. Allocated memory is still 90.2MB. Free memory was 68.3MB in the beginning and 52.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.29ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 47.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.39ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 66.1MB in the end (delta: -18.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1223.09ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 54.2MB in the end (delta: 11.9MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * TraceAbstraction took 231.34ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.2MB in the beginning and 52.5MB in the end (delta: 722.5kB). Peak memory consumption was 21.1MB. 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 09:12:23,769 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-nzb-file-symm.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 b869eaba59e8dca8d7cb2d1135193e506b8377811cada7a7f67b6d0824dd2d3d --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 09:12:25,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:12:25,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:12:25,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:12:25,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:12:25,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:12:25,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:12:25,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:12:25,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:12:25,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:12:25,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:12:25,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:12:25,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:12:25,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:12:25,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:12:25,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:12:25,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:12:25,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:12:25,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:12:25,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:12:25,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:12:25,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:12:25,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:12:25,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:12:25,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:12:25,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:12:25,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:12:25,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:12:25,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:12:25,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:12:25,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:12:25,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:12:25,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:12:25,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:12:25,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:12:25,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:12:25,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:12:25,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:12:25,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:12:25,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:12:25,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:12:25,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:12:25,724 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:12:25,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:12:25,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:12:25,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:12:25,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:12:25,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:12:25,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:12:25,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:12:25,727 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:12:25,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:12:25,728 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:12:25,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:12:25,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:12:25,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:12:25,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:12:25,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:12:25,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:12:25,730 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:12:25,730 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:12:25,730 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:12:25,730 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:12:25,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:12:25,730 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:12:25,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:12:25,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:12:25,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:12:25,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:12:25,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:25,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:12:25,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:12:25,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:12:25,732 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:12:25,733 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:12:25,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:12:25,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:12:25,733 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:12:25,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:12:25,734 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:12:25,734 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:12:25,734 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b869eaba59e8dca8d7cb2d1135193e506b8377811cada7a7f67b6d0824dd2d3d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:12:26,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:12:26,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:12:26,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:12:26,100 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:12:26,101 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:12:26,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c [2023-08-29 09:12:27,323 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:12:27,525 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:12:27,526 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c [2023-08-29 09:12:27,534 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e033dbc/431f51b55cb54f33a22b82eafc560493/FLAG976a3e47f [2023-08-29 09:12:27,570 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e033dbc/431f51b55cb54f33a22b82eafc560493 [2023-08-29 09:12:27,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:12:27,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:12:27,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:27,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:12:27,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:12:27,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:27,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b7abef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27, skipping insertion in model container [2023-08-29 09:12:27,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:27,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:12:27,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:12:27,862 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-nzb-file-symm.wvr.c[4929,4942] [2023-08-29 09:12:27,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:27,890 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:12:27,957 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-nzb-file-symm.wvr.c[4929,4942] [2023-08-29 09:12:27,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:27,980 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:12:27,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27 WrapperNode [2023-08-29 09:12:27,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:27,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:27,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:12:27,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:12:27,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,082 INFO L138 Inliner]: procedures = 27, calls = 55, calls flagged for inlining = 21, calls inlined = 29, statements flattened = 888 [2023-08-29 09:12:28,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:28,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:12:28,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:12:28,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:12:28,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,154 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:12:28,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:12:28,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:12:28,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:12:28,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (1/1) ... [2023-08-29 09:12:28,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:28,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:12:28,192 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 09:12:28,231 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 09:12:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:12:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-08-29 09:12:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:12:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:12:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:12:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:12:28,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:12:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:12:28,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:12:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:12:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:12:28,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:12:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-08-29 09:12:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:12:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:12:28,256 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 09:12:28,379 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:12:28,381 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:12:29,501 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:12:29,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:12:29,516 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 09:12:29,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:12:29 BoogieIcfgContainer [2023-08-29 09:12:29,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:12:29,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:12:29,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:12:29,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:12:29,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:12:27" (1/3) ... [2023-08-29 09:12:29,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a13880c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:12:29, skipping insertion in model container [2023-08-29 09:12:29,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:27" (2/3) ... [2023-08-29 09:12:29,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a13880c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:12:29, skipping insertion in model container [2023-08-29 09:12:29,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:12:29" (3/3) ... [2023-08-29 09:12:29,528 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-symm.wvr.c [2023-08-29 09:12:29,535 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:12:29,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:12:29,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 154 error locations. [2023-08-29 09:12:29,544 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:12:29,755 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:12:29,760 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 09:12:29,764 INFO L158 Benchmark]: Toolchain (without parser) took 2189.52ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 77.4MB in the beginning and 53.5MB in the end (delta: 23.9MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2023-08-29 09:12:29,765 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:12:29,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.25ms. Allocated memory is still 96.5MB. Free memory was 77.1MB in the beginning and 61.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 09:12:29,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.91ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 56.7MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 09:12:29,766 INFO L158 Benchmark]: Boogie Preprocessor took 72.52ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 52.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:12:29,766 INFO L158 Benchmark]: RCFGBuilder took 1356.46ms. Allocated memory is still 96.5MB. Free memory was 52.5MB in the beginning and 66.7MB in the end (delta: -14.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-08-29 09:12:29,767 INFO L158 Benchmark]: TraceAbstraction took 240.48ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 66.3MB in the beginning and 53.5MB in the end (delta: 12.8MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-08-29 09:12:29,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.25ms. Allocated memory is still 96.5MB. Free memory was 77.1MB in the beginning and 61.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.91ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 56.7MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.52ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 52.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1356.46ms. Allocated memory is still 96.5MB. Free memory was 52.5MB in the beginning and 66.7MB in the end (delta: -14.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * TraceAbstraction took 240.48ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 66.3MB in the beginning and 53.5MB in the end (delta: 12.8MB). Peak memory consumption was 35.9MB. 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 09:12:29,792 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