./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-word-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-word-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 4ca4c99e545bc332635ee8b9969d24118d6fd539f8535aa6ae4c72d296ec330e --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 09:12:54,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:12:54,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:12:54,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:12:54,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:12:54,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:12:54,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:12:54,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:12:54,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:12:54,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:12:54,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:12:54,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:12:54,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:12:54,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:12:54,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:12:54,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:12:54,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:12:54,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:12:54,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:12:54,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:12:54,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:12:54,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:12:54,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:12:54,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:12:54,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:12:54,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:12:54,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:12:54,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:12:54,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:12:54,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:12:54,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:12:54,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:12:54,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:12:54,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:12:54,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:12:54,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:12:54,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:12:54,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:12:54,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:12:54,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:12:54,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:12:54,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:12:54,568 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:12:54,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:12:54,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:12:54,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:12:54,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:12:54,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:12:54,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:12:54,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:12:54,572 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:12:54,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:12:54,573 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:12:54,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:12:54,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:12:54,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:12:54,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:12:54,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:12:54,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:12:54,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:12:54,575 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:12:54,575 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:12:54,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:12:54,575 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:12:54,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:12:54,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:12:54,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:12:54,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:12:54,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:54,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:12:54,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:12:54,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:12:54,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:12:54,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:12:54,578 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:12:54,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:12:54,579 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:12:54,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:12:54,579 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:12:54,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ca4c99e545bc332635ee8b9969d24118d6fd539f8535aa6ae4c72d296ec330e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:12:54,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:12:54,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:12:54,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:12:54,935 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:12:54,935 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:12:54,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2023-08-29 09:12:56,164 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:12:56,397 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:12:56,398 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2023-08-29 09:12:56,404 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc81d90a/1bed7ed5fb324c789df77ea3b647c675/FLAG8c7eaf1b7 [2023-08-29 09:12:56,428 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc81d90a/1bed7ed5fb324c789df77ea3b647c675 [2023-08-29 09:12:56,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:12:56,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:12:56,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:56,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:12:56,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:12:56,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a51745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56, skipping insertion in model container [2023-08-29 09:12:56,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:12:56,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:12:56,649 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2023-08-29 09:12:56,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:56,668 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:12:56,698 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2023-08-29 09:12:56,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:12:56,715 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:12:56,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56 WrapperNode [2023-08-29 09:12:56,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:12:56,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:56,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:12:56,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:12:56,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,782 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 210 [2023-08-29 09:12:56,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:12:56,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:12:56,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:12:56,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:12:56,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,845 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:12:56,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:12:56,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:12:56,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:12:56,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (1/1) ... [2023-08-29 09:12:56,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:56,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:12:56,902 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 09:12:56,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:12:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:12:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:12:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:12:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:12:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:12:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:12:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:12:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:12:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:12:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:12:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:12:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:12:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:12:56,998 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 09:12:57,166 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:12:57,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:12:57,738 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:12:57,749 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:12:57,749 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 09:12:57,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:12:57 BoogieIcfgContainer [2023-08-29 09:12:57,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:12:57,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:12:57,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:12:57,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:12:57,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:12:56" (1/3) ... [2023-08-29 09:12:57,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1167e257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:12:57, skipping insertion in model container [2023-08-29 09:12:57,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:12:56" (2/3) ... [2023-08-29 09:12:57,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1167e257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:12:57, skipping insertion in model container [2023-08-29 09:12:57,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:12:57" (3/3) ... [2023-08-29 09:12:57,759 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2023-08-29 09:12:57,765 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:12:57,773 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:12:57,774 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-08-29 09:12:57,774 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:12:57,882 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:12:57,888 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 09:12:57,893 INFO L158 Benchmark]: Toolchain (without parser) took 1460.75ms. Allocated memory is still 81.8MB. Free memory was 59.0MB in the beginning and 32.7MB in the end (delta: 26.3MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-08-29 09:12:57,894 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:12:57,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.37ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 45.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:12:57,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.55ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 43.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:12:57,895 INFO L158 Benchmark]: Boogie Preprocessor took 79.78ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:12:57,895 INFO L158 Benchmark]: RCFGBuilder took 887.03ms. Allocated memory is still 81.8MB. Free memory was 40.5MB in the beginning and 56.7MB in the end (delta: -16.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-08-29 09:12:57,896 INFO L158 Benchmark]: TraceAbstraction took 138.33ms. Allocated memory is still 81.8MB. Free memory was 55.8MB in the beginning and 32.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-29 09:12:57,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.37ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 45.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.55ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 43.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.78ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 887.03ms. Allocated memory is still 81.8MB. Free memory was 40.5MB in the beginning and 56.7MB in the end (delta: -16.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 138.33ms. Allocated memory is still 81.8MB. Free memory was 55.8MB in the beginning and 32.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. 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 09:12:57,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-word-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 4ca4c99e545bc332635ee8b9969d24118d6fd539f8535aa6ae4c72d296ec330e --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 09:12:59,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:12:59,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:12:59,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:12:59,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:12:59,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:12:59,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:12:59,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:12:59,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:12:59,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:12:59,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:12:59,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:12:59,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:12:59,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:12:59,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:12:59,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:12:59,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:12:59,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:12:59,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:12:59,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:12:59,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:12:59,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:12:59,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:12:59,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:12:59,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:12:59,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:12:59,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:12:59,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:12:59,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:12:59,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:12:59,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:12:59,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:12:59,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:12:59,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:12:59,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:12:59,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:12:59,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:12:59,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:12:59,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:12:59,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:12:59,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:12:59,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:12:59,939 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:12:59,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:12:59,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:12:59,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:12:59,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:12:59,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:12:59,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:12:59,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:12:59,943 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:12:59,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:12:59,944 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:12:59,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:12:59,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:12:59,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:12:59,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:12:59,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:12:59,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:12:59,945 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:12:59,946 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:12:59,946 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:12:59,946 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:12:59,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:12:59,946 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:12:59,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:12:59,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:12:59,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:12:59,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:12:59,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:12:59,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:12:59,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:12:59,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:12:59,948 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:12:59,949 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:12:59,949 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:12:59,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:12:59,949 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:12:59,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:12:59,949 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:12:59,950 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:12:59,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ca4c99e545bc332635ee8b9969d24118d6fd539f8535aa6ae4c72d296ec330e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:13:00,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:13:00,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:13:00,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:13:00,281 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:13:00,281 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:13:00,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2023-08-29 09:13:01,378 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:13:01,603 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:13:01,604 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2023-08-29 09:13:01,611 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b50d886f4/439c50dc07bf45e8be57a5e5334ca495/FLAGfdf0ddfad [2023-08-29 09:13:01,623 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b50d886f4/439c50dc07bf45e8be57a5e5334ca495 [2023-08-29 09:13:01,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:13:01,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:13:01,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:01,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:13:01,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:13:01,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:01" (1/1) ... [2023-08-29 09:13:01,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbbb23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:01, skipping insertion in model container [2023-08-29 09:13:01,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:01" (1/1) ... [2023-08-29 09:13:01,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:13:01,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:13:01,894 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2023-08-29 09:13:01,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:01,923 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:13:01,981 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2023-08-29 09:13:01,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:02,001 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:13:02,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02 WrapperNode [2023-08-29 09:13:02,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:02,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:02,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:13:02,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:13:02,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,063 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 204 [2023-08-29 09:13:02,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:02,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:13:02,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:13:02,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:13:02,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,130 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:13:02,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:13:02,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:13:02,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:13:02,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (1/1) ... [2023-08-29 09:13:02,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:02,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:13:02,180 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 09:13:02,185 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 09:13:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:13:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:13:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:13:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:13:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:13:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:13:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:13:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:13:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:13:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:13:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:13:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:13:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:13:02,222 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 09:13:02,319 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:13:02,320 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:03,091 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:03,107 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:03,108 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 09:13:03,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:03 BoogieIcfgContainer [2023-08-29 09:13:03,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:03,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:03,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:03,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:03,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:13:01" (1/3) ... [2023-08-29 09:13:03,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41194d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:03, skipping insertion in model container [2023-08-29 09:13:03,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:02" (2/3) ... [2023-08-29 09:13:03,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41194d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:03, skipping insertion in model container [2023-08-29 09:13:03,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:03" (3/3) ... [2023-08-29 09:13:03,119 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2023-08-29 09:13:03,126 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:03,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:03,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-08-29 09:13:03,136 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:03,305 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:13:03,310 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:13:03,316 INFO L158 Benchmark]: Toolchain (without parser) took 1679.40ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 46.7MB in the beginning and 38.8MB in the end (delta: 7.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:03,316 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:03,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.76ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 32.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:03,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.08ms. Allocated memory is still 69.2MB. Free memory was 32.8MB in the beginning and 49.3MB in the end (delta: -16.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:03,318 INFO L158 Benchmark]: Boogie Preprocessor took 71.95ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 46.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:03,319 INFO L158 Benchmark]: RCFGBuilder took 973.84ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 42.4MB in the end (delta: 3.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-08-29 09:13:03,319 INFO L158 Benchmark]: TraceAbstraction took 200.96ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 41.7MB in the beginning and 38.8MB in the end (delta: 2.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-08-29 09:13:03,323 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.76ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 32.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.08ms. Allocated memory is still 69.2MB. Free memory was 32.8MB in the beginning and 49.3MB in the end (delta: -16.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.95ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 46.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 973.84ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 42.4MB in the end (delta: 3.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * TraceAbstraction took 200.96ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 41.7MB in the beginning and 38.8MB in the end (delta: 2.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:13:03,353 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